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uvm_extern.h revision 1.176.2.10
      1  1.176.2.10      yamt /*	$NetBSD: uvm_extern.h,v 1.176.2.10 2012/10/30 17:23:01 yamt Exp $	*/
      2         1.1       mrg 
      3         1.1       mrg /*
      4         1.1       mrg  * Copyright (c) 1997 Charles D. Cranor and Washington University.
      5         1.1       mrg  * All rights reserved.
      6         1.1       mrg  *
      7         1.1       mrg  * Redistribution and use in source and binary forms, with or without
      8         1.1       mrg  * modification, are permitted provided that the following conditions
      9         1.1       mrg  * are met:
     10         1.1       mrg  * 1. Redistributions of source code must retain the above copyright
     11         1.1       mrg  *    notice, this list of conditions and the following disclaimer.
     12         1.1       mrg  * 2. Redistributions in binary form must reproduce the above copyright
     13         1.1       mrg  *    notice, this list of conditions and the following disclaimer in the
     14         1.1       mrg  *    documentation and/or other materials provided with the distribution.
     15         1.1       mrg  *
     16         1.1       mrg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17         1.1       mrg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18         1.1       mrg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19         1.1       mrg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20         1.1       mrg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21         1.1       mrg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22         1.1       mrg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23         1.1       mrg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24         1.1       mrg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25         1.1       mrg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26         1.4       mrg  *
     27         1.4       mrg  * from: Id: uvm_extern.h,v 1.1.2.21 1998/02/07 01:16:53 chs Exp
     28         1.1       mrg  */
     29         1.1       mrg 
     30        1.44       mrg /*-
     31        1.45       mrg  * Copyright (c) 1991, 1992, 1993
     32        1.44       mrg  *	The Regents of the University of California.  All rights reserved.
     33        1.44       mrg  *
     34        1.44       mrg  * Redistribution and use in source and binary forms, with or without
     35        1.44       mrg  * modification, are permitted provided that the following conditions
     36        1.44       mrg  * are met:
     37        1.44       mrg  * 1. Redistributions of source code must retain the above copyright
     38        1.44       mrg  *    notice, this list of conditions and the following disclaimer.
     39        1.44       mrg  * 2. Redistributions in binary form must reproduce the above copyright
     40        1.44       mrg  *    notice, this list of conditions and the following disclaimer in the
     41        1.44       mrg  *    documentation and/or other materials provided with the distribution.
     42        1.83       agc  * 3. Neither the name of the University nor the names of its contributors
     43        1.44       mrg  *    may be used to endorse or promote products derived from this software
     44        1.44       mrg  *    without specific prior written permission.
     45        1.44       mrg  *
     46        1.44       mrg  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     47        1.44       mrg  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     48        1.44       mrg  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     49        1.44       mrg  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     50        1.44       mrg  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     51        1.44       mrg  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     52        1.44       mrg  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     53        1.44       mrg  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     54        1.44       mrg  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     55        1.44       mrg  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     56        1.44       mrg  * SUCH DAMAGE.
     57        1.44       mrg  *
     58        1.44       mrg  *	@(#)vm_extern.h	8.5 (Berkeley) 5/3/95
     59        1.44       mrg  */
     60        1.44       mrg 
     61         1.8     perry #ifndef _UVM_UVM_EXTERN_H_
     62         1.8     perry #define _UVM_UVM_EXTERN_H_
     63         1.1       mrg 
     64         1.1       mrg /*
     65         1.1       mrg  * uvm_extern.h: this file defines the external interface to the VM system.
     66         1.1       mrg  *
     67         1.1       mrg  * this should be the only file included by non-VM parts of the kernel
     68         1.1       mrg  * which need access to VM services.   if you want to know the interface
     69         1.1       mrg  * to the MI VM layer without knowing the details, this is the file to
     70         1.1       mrg  * learn.
     71         1.1       mrg  *
     72         1.1       mrg  * NOTE: vm system calls are prototyped in syscallargs.h
     73         1.1       mrg  */
     74         1.1       mrg 
     75         1.1       mrg /*
     76         1.1       mrg  * defines
     77         1.1       mrg  */
     78         1.1       mrg 
     79         1.1       mrg /*
     80         1.1       mrg  * the following defines are for uvm_map and functions which call it.
     81         1.1       mrg  */
     82         1.1       mrg 
     83         1.1       mrg /* protections bits */
     84         1.1       mrg #define UVM_PROT_MASK	0x07	/* protection mask */
     85         1.1       mrg #define UVM_PROT_NONE	0x00	/* protection none */
     86         1.1       mrg #define UVM_PROT_ALL	0x07	/* everything */
     87         1.1       mrg #define UVM_PROT_READ	0x01	/* read */
     88         1.1       mrg #define UVM_PROT_WRITE  0x02	/* write */
     89         1.1       mrg #define UVM_PROT_EXEC	0x04	/* exec */
     90         1.1       mrg 
     91         1.1       mrg /* protection short codes */
     92         1.1       mrg #define UVM_PROT_R	0x01	/* read */
     93         1.1       mrg #define UVM_PROT_W	0x02	/* write */
     94         1.1       mrg #define UVM_PROT_RW	0x03    /* read-write */
     95         1.1       mrg #define UVM_PROT_X	0x04	/* exec */
     96         1.1       mrg #define UVM_PROT_RX	0x05	/* read-exec */
     97         1.1       mrg #define UVM_PROT_WX	0x06	/* write-exec */
     98         1.1       mrg #define UVM_PROT_RWX	0x07	/* read-write-exec */
     99         1.1       mrg 
    100         1.1       mrg /* 0x08: not used */
    101         1.1       mrg 
    102         1.1       mrg /* inherit codes */
    103         1.1       mrg #define UVM_INH_MASK	0x30	/* inherit mask */
    104         1.1       mrg #define UVM_INH_SHARE	0x00	/* "share" */
    105         1.1       mrg #define UVM_INH_COPY	0x10	/* "copy" */
    106         1.1       mrg #define UVM_INH_NONE	0x20	/* "none" */
    107         1.1       mrg #define UVM_INH_DONATE	0x30	/* "donate" << not used */
    108         1.1       mrg 
    109         1.1       mrg /* 0x40, 0x80: not used */
    110         1.1       mrg 
    111         1.1       mrg /* bits 0x700: max protection, 0x800: not used */
    112         1.1       mrg 
    113         1.1       mrg /* bits 0x7000: advice, 0x8000: not used */
    114       1.107      yamt /* advice: matches MADV_* from sys/mman.h and POSIX_FADV_* from sys/fcntl.h */
    115         1.1       mrg #define UVM_ADV_NORMAL	0x0	/* 'normal' */
    116         1.1       mrg #define UVM_ADV_RANDOM	0x1	/* 'random' */
    117         1.1       mrg #define UVM_ADV_SEQUENTIAL 0x2	/* 'sequential' */
    118       1.156     pooka #define UVM_ADV_WILLNEED 0x3	/* pages will be needed */
    119       1.156     pooka #define UVM_ADV_DONTNEED 0x4	/* pages won't be needed */
    120       1.156     pooka #define UVM_ADV_NOREUSE	0x5	/* pages will be used only once */
    121         1.1       mrg #define UVM_ADV_MASK	0x7	/* mask */
    122         1.1       mrg 
    123        1.98      yamt /* bits 0xffff0000: mapping flags */
    124         1.1       mrg #define UVM_FLAG_FIXED   0x010000 /* find space */
    125         1.1       mrg #define UVM_FLAG_OVERLAY 0x020000 /* establish overlay */
    126         1.1       mrg #define UVM_FLAG_NOMERGE 0x040000 /* don't merge map entries */
    127         1.1       mrg #define UVM_FLAG_COPYONW 0x080000 /* set copy_on_write flag */
    128       1.172     rmind #define UVM_FLAG_AMAPPAD 0x100000 /* for bss: pad amap to reduce allocations */
    129         1.1       mrg #define UVM_FLAG_TRYLOCK 0x200000 /* fail if we can not lock map */
    130        1.75   thorpej #define UVM_FLAG_NOWAIT  0x400000 /* not allowed to sleep */
    131   1.176.2.9      yamt #define UVM_FLAG_WAITVA  0x800000 /* wait for va */
    132       1.100      yamt #define UVM_FLAG_VAONLY  0x2000000 /* unmap: no pages are mapped */
    133       1.168      matt #define UVM_FLAG_COLORMATCH 0x4000000 /* match color given in off */
    134         1.1       mrg 
    135         1.1       mrg /* macros to extract info */
    136         1.1       mrg #define UVM_PROTECTION(X)	((X) & UVM_PROT_MASK)
    137         1.1       mrg #define UVM_INHERIT(X)		(((X) & UVM_INH_MASK) >> 4)
    138         1.1       mrg #define UVM_MAXPROTECTION(X)	(((X) >> 8) & UVM_PROT_MASK)
    139         1.1       mrg #define UVM_ADVICE(X)		(((X) >> 12) & UVM_ADV_MASK)
    140         1.1       mrg 
    141         1.1       mrg #define UVM_MAPFLAG(PROT,MAXPROT,INH,ADVICE,FLAGS) \
    142       1.114      yamt 	(((MAXPROT) << 8)|(PROT)|(INH)|((ADVICE) << 12)|(FLAGS))
    143         1.1       mrg 
    144        1.67       chs /* magic offset value: offset not known(obj) or don't care(!obj) */
    145        1.38    kleink #define UVM_UNKNOWN_OFFSET ((voff_t) -1)
    146         1.1       mrg 
    147         1.1       mrg /*
    148       1.100      yamt  * the following defines are for uvm_km_alloc/free's flags
    149         1.1       mrg  */
    150       1.100      yamt #define UVM_KMF_WIRED	0x1			/* allocation type: wired */
    151       1.100      yamt #define UVM_KMF_PAGEABLE 0x2			/* allocation type: pageable */
    152       1.100      yamt #define UVM_KMF_VAONLY	0x4			/* allocation type: VA only */
    153       1.100      yamt #define	UVM_KMF_TYPEMASK (UVM_KMF_VAONLY | UVM_KMF_PAGEABLE | UVM_KMF_WIRED)
    154       1.100      yamt #define UVM_KMF_CANFAIL	0x8			/* caller handles failure */
    155       1.100      yamt #define UVM_KMF_ZERO	0x10			/* want zero filled memory */
    156       1.115  drochner #define UVM_KMF_EXEC	0x20			/* need executable mapping */
    157         1.1       mrg #define UVM_KMF_TRYLOCK	UVM_FLAG_TRYLOCK	/* try locking only */
    158        1.75   thorpej #define UVM_KMF_NOWAIT	UVM_FLAG_NOWAIT		/* not allowed to sleep */
    159       1.100      yamt #define UVM_KMF_WAITVA	UVM_FLAG_WAITVA		/* sleep for va */
    160       1.176      matt #define UVM_KMF_COLORMATCH UVM_FLAG_COLORMATCH	/* start at color in align */
    161         1.1       mrg 
    162         1.1       mrg /*
    163        1.15   thorpej  * the following defines the strategies for uvm_pagealloc_strat()
    164        1.15   thorpej  */
    165       1.152       abs #define	UVM_PGA_STRAT_NORMAL	0	/* priority (low id to high) walk */
    166        1.15   thorpej #define	UVM_PGA_STRAT_ONLY	1	/* only specified free list */
    167        1.15   thorpej #define	UVM_PGA_STRAT_FALLBACK	2	/* ONLY falls back on NORMAL */
    168        1.15   thorpej 
    169        1.15   thorpej /*
    170        1.24       chs  * flags for uvm_pagealloc_strat()
    171        1.24       chs  */
    172        1.39   thorpej #define UVM_PGA_USERESERVE	0x0001	/* ok to use reserve pages */
    173        1.39   thorpej #define	UVM_PGA_ZERO		0x0002	/* returned page must be zero'd */
    174        1.24       chs 
    175        1.24       chs /*
    176        1.97       chs  * flags for ubc_alloc()
    177        1.53       chs  */
    178       1.130      yamt #define UBC_READ	0x001
    179       1.130      yamt #define UBC_WRITE	0x002
    180       1.130      yamt #define UBC_FAULTBUSY	0x004
    181        1.53       chs 
    182        1.53       chs /*
    183        1.97       chs  * flags for ubc_release()
    184        1.97       chs  */
    185       1.130      yamt #define UBC_UNMAP	0x010
    186       1.130      yamt 
    187       1.130      yamt /*
    188       1.130      yamt  * flags for ubc_uiomve()
    189       1.130      yamt  */
    190       1.130      yamt #define	UBC_PARTIALOK	0x100
    191        1.97       chs 
    192        1.97       chs /*
    193        1.53       chs  * flags for uvn_findpages().
    194        1.53       chs  */
    195        1.67       chs #define UFP_ALL		0x00
    196        1.67       chs #define UFP_NOWAIT	0x01
    197        1.67       chs #define UFP_NOALLOC	0x02
    198        1.67       chs #define UFP_NOCACHE	0x04
    199        1.67       chs #define UFP_NORDONLY	0x08
    200        1.67       chs #define UFP_DIRTYONLY	0x10
    201        1.67       chs #define UFP_BACKWARD	0x20
    202   1.176.2.5      yamt #define UFP_ONLYPAGER1	0x40
    203   1.176.2.5      yamt #define UFP_NOPAGER1	0x80
    204        1.53       chs 
    205        1.53       chs /*
    206        1.33   thorpej  * lockflags that control the locking behavior of various functions.
    207        1.33   thorpej  */
    208        1.33   thorpej #define	UVM_LK_ENTER	0x00000001	/* map locked on entry */
    209        1.33   thorpej #define	UVM_LK_EXIT	0x00000002	/* leave map locked on exit */
    210        1.33   thorpej 
    211        1.33   thorpej /*
    212       1.149  christos  * Default number of pages to allocate on the stack
    213       1.149  christos  */
    214       1.149  christos #define	UBC_MAX_PAGES	8
    215       1.149  christos 
    216       1.149  christos /*
    217       1.155     rmind  * Value representing inactive emap.
    218       1.155     rmind  */
    219       1.155     rmind #define	UVM_EMAP_INACTIVE	(0)
    220       1.155     rmind 
    221       1.155     rmind /*
    222         1.1       mrg  * structures
    223         1.1       mrg  */
    224         1.1       mrg 
    225        1.97       chs struct buf;
    226         1.1       mrg struct core;
    227        1.97       chs struct loadavg;
    228         1.1       mrg struct mount;
    229         1.1       mrg struct pglist;
    230         1.1       mrg struct proc;
    231         1.1       mrg struct uio;
    232         1.1       mrg struct uvm_object;
    233         1.1       mrg struct vm_anon;
    234         1.1       mrg struct vmspace;
    235        1.10   thorpej struct pmap;
    236         1.1       mrg struct vnode;
    237        1.34   thorpej struct simplelock;
    238        1.65       chs struct vm_map_entry;
    239        1.65       chs struct vm_map;
    240        1.65       chs struct vm_page;
    241        1.97       chs struct vmtotal;
    242        1.53       chs 
    243         1.1       mrg /*
    244       1.108      yamt  * uvm_pctparam: parameter to be shown as percentage to user.
    245       1.108      yamt  */
    246       1.108      yamt 
    247       1.108      yamt #define	UVM_PCTPARAM_SHIFT	8
    248       1.108      yamt #define	UVM_PCTPARAM_SCALE	(1 << UVM_PCTPARAM_SHIFT)
    249       1.108      yamt #define	UVM_PCTPARAM_APPLY(pct, x) \
    250       1.108      yamt 	(((x) * (pct)->pct_scaled) >> UVM_PCTPARAM_SHIFT)
    251       1.108      yamt struct uvm_pctparam {
    252       1.118      yamt 	int pct_pct;	/* percent [0, 100] */ /* should be the first member */
    253       1.108      yamt 	int pct_scaled;
    254       1.118      yamt 	int (*pct_check)(struct uvm_pctparam *, int);
    255       1.108      yamt };
    256       1.108      yamt 
    257       1.108      yamt /*
    258         1.1       mrg  * uvmexp: global data structures that are exported to parts of the kernel
    259         1.1       mrg  * other than the vm system.
    260         1.1       mrg  */
    261         1.1       mrg 
    262         1.1       mrg struct uvmexp {
    263         1.9       mrg 	/* vm_page constants */
    264         1.1       mrg 	int pagesize;   /* size of a page (PAGE_SIZE): must be power of 2 */
    265         1.1       mrg 	int pagemask;   /* page mask */
    266         1.1       mrg 	int pageshift;  /* page shift */
    267         1.1       mrg 
    268         1.9       mrg 	/* vm_page counters */
    269         1.1       mrg 	int npages;     /* number of pages we manage */
    270         1.1       mrg 	int free;       /* number of free pages */
    271         1.3       chs 	int paging;	/* number of pages in the process of being paged out */
    272         1.1       mrg 	int wired;      /* number of wired pages */
    273        1.57       chs 
    274        1.63       chs 	/*
    275        1.57       chs 	 * Adding anything before this line will break binary compatibility
    276        1.57       chs 	 * with top(1) on NetBSD 1.5.
    277        1.54    simonb 	 */
    278        1.57       chs 
    279        1.67       chs 	int ncolors;	/* number of page color buckets: must be p-o-2 */
    280        1.67       chs 	int colormask;	/* color bucket mask */
    281        1.67       chs 
    282        1.55    simonb 	int zeropages;		/* number of zero'd pages */
    283         1.3       chs 	int reserve_pagedaemon; /* number of pages reserved for pagedaemon */
    284        1.55    simonb 	int reserve_kernel;	/* number of pages reserved for kernel */
    285       1.137        ad 	unsigned anonpages;	/* number of pages used by anon mappings */
    286       1.137        ad 	unsigned filepages;	/* number of pages used by cached file data */
    287       1.137        ad 	unsigned execpages;	/* number of pages used by cached exec data */
    288         1.1       mrg 
    289         1.9       mrg 	/* pageout params */
    290         1.9       mrg 	int freemin;    /* min number of free pages */
    291         1.9       mrg 	int freetarg;   /* target number of free pages */
    292         1.9       mrg 	int wiredmax;   /* max number of wired pages */
    293         1.1       mrg 
    294         1.9       mrg 	/* swap */
    295         1.1       mrg 	int nswapdev;	/* number of configured swap devices in system */
    296         1.1       mrg 	int swpages;	/* number of PAGE_SIZE'ed swap pages */
    297        1.84        pk 	int swpgavail;	/* number of swap pages currently available */
    298         1.3       chs 	int swpginuse;	/* number of swap pages in use */
    299        1.23       chs 	int swpgonly;	/* number of swap pages in use, not also in RAM */
    300         1.1       mrg 	int nswget;	/* number of times fault calls uvm_swap_get() */
    301         1.1       mrg 
    302       1.110    simonb 	/* stat counters.  XXX: should be 64-bit counters */
    303       1.167      matt 	int _unused_faults;	/* page fault count */
    304       1.167      matt 	int _unused_traps;	/* trap count */
    305       1.167      matt 	int _unused_intrs;	/* interrupt count */
    306       1.167      matt 	int _unused_swtch;	/* context switch count */
    307       1.167      matt 	int _unused_softs;	/* software interrupt count */
    308       1.167      matt 	int _unused_syscalls;	/* system calls */
    309         1.7       mrg 	int pageins;		/* pagein operation count */
    310         1.7       mrg 				/* pageouts are in pdpageouts below */
    311       1.160     rmind 	int _unused1;
    312       1.160     rmind 	int _unused2;
    313         1.7       mrg 	int pgswapin;		/* pages swapped in */
    314         1.7       mrg 	int pgswapout;		/* pages swapped out */
    315         1.7       mrg 	int forks;  		/* forks */
    316         1.1       mrg 	int forks_ppwait;	/* forks where parent waits */
    317         1.1       mrg 	int forks_sharevm;	/* forks where vmspace is shared */
    318        1.40   thorpej 	int pga_zerohit;	/* pagealloc where zero wanted and zero
    319        1.40   thorpej 				   was available */
    320        1.40   thorpej 	int pga_zeromiss;	/* pagealloc where zero wanted and zero
    321        1.40   thorpej 				   not available */
    322        1.50   thorpej 	int zeroaborts;		/* number of times page zeroing was
    323        1.50   thorpej 				   aborted */
    324        1.60   thorpej 	int colorhit;		/* pagealloc where we got optimal color */
    325        1.60   thorpej 	int colormiss;		/* pagealloc where we didn't */
    326       1.146        ad 	int cpuhit;		/* pagealloc where we allocated locally */
    327       1.146        ad 	int cpumiss;		/* pagealloc where we didn't */
    328         1.1       mrg 
    329       1.110    simonb 	/* fault subcounters.  XXX: should be 64-bit counters */
    330         1.1       mrg 	int fltnoram;	/* number of times fault was out of ram */
    331         1.1       mrg 	int fltnoanon;	/* number of times fault was out of anons */
    332         1.1       mrg 	int fltpgwait;	/* number of times fault had to wait on a page */
    333         1.1       mrg 	int fltpgrele;	/* number of times fault found a released page */
    334         1.1       mrg 	int fltrelck;	/* number of times fault relock called */
    335         1.1       mrg 	int fltrelckok;	/* number of times fault relock is a success */
    336         1.1       mrg 	int fltanget;	/* number of times fault gets anon page */
    337         1.1       mrg 	int fltanretry;	/* number of times fault retrys an anon get */
    338         1.1       mrg 	int fltamcopy;	/* number of times fault clears "needs copy" */
    339         1.1       mrg 	int fltnamap;	/* number of times fault maps a neighbor anon page */
    340         1.1       mrg 	int fltnomap;	/* number of times fault maps a neighbor obj page */
    341         1.1       mrg 	int fltlget;	/* number of times fault does a locked pgo_get */
    342         1.1       mrg 	int fltget;	/* number of times fault does an unlocked get */
    343         1.1       mrg 	int flt_anon;	/* number of times fault anon (case 1a) */
    344         1.1       mrg 	int flt_acow;	/* number of times fault anon cow (case 1b) */
    345         1.1       mrg 	int flt_obj;	/* number of times fault is on object page (2a) */
    346         1.1       mrg 	int flt_prcopy;	/* number of times fault promotes with copy (2b) */
    347         1.1       mrg 	int flt_przero;	/* number of times fault promotes with zerofill (2b) */
    348         1.1       mrg 
    349       1.110    simonb 	/* daemon counters.  XXX: should be 64-bit counters */
    350         1.1       mrg 	int pdwoke;	/* number of times daemon woke up */
    351         1.1       mrg 	int pdrevs;	/* number of times daemon rev'd clock hand */
    352       1.160     rmind 	int _unused3;
    353         1.1       mrg 	int pdfreed;	/* number of pages daemon freed since boot */
    354        1.78       wiz 	int pdscans;	/* number of pages daemon scanned since boot */
    355         1.1       mrg 	int pdanscan;	/* number of anonymous pages scanned by daemon */
    356         1.1       mrg 	int pdobscan;	/* number of object pages scanned by daemon */
    357         1.1       mrg 	int pdreact;	/* number of pages daemon reactivated since boot */
    358         1.1       mrg 	int pdbusy;	/* number of times daemon found a busy page */
    359         1.1       mrg 	int pdpageouts;	/* number of times daemon started a pageout */
    360         1.1       mrg 	int pdpending;	/* number of times daemon got a pending pagout */
    361         1.1       mrg 	int pddeact;	/* number of pages daemon deactivates */
    362        1.69       chs 	int pdreanon;	/* anon pages reactivated due to thresholds */
    363        1.69       chs 	int pdrefile;	/* file pages reactivated due to thresholds */
    364        1.69       chs 	int pdreexec;	/* executable pages reactivated due to thresholds */
    365        1.54    simonb };
    366        1.54    simonb 
    367        1.54    simonb /*
    368        1.54    simonb  * The following structure is 64-bit alignment safe.  New elements
    369        1.54    simonb  * should only be added to the end of this structure so binary
    370        1.54    simonb  * compatibility can be preserved.
    371        1.54    simonb  */
    372        1.54    simonb struct uvmexp_sysctl {
    373        1.54    simonb 	int64_t	pagesize;
    374        1.54    simonb 	int64_t	pagemask;
    375        1.54    simonb 	int64_t	pageshift;
    376        1.54    simonb 	int64_t	npages;
    377        1.54    simonb 	int64_t	free;
    378        1.54    simonb 	int64_t	active;
    379        1.54    simonb 	int64_t	inactive;
    380        1.54    simonb 	int64_t	paging;
    381        1.54    simonb 	int64_t	wired;
    382        1.54    simonb 	int64_t	zeropages;
    383        1.54    simonb 	int64_t	reserve_pagedaemon;
    384        1.54    simonb 	int64_t	reserve_kernel;
    385        1.54    simonb 	int64_t	freemin;
    386        1.54    simonb 	int64_t	freetarg;
    387       1.160     rmind 	int64_t	inactarg;		/* unused */
    388        1.54    simonb 	int64_t	wiredmax;
    389        1.54    simonb 	int64_t	nswapdev;
    390        1.54    simonb 	int64_t	swpages;
    391        1.54    simonb 	int64_t	swpginuse;
    392        1.54    simonb 	int64_t	swpgonly;
    393        1.54    simonb 	int64_t	nswget;
    394       1.160     rmind 	int64_t	unused1;		/* unused; was nanon */
    395       1.146        ad 	int64_t cpuhit;
    396       1.146        ad 	int64_t cpumiss;
    397        1.54    simonb 	int64_t	faults;
    398        1.54    simonb 	int64_t	traps;
    399        1.54    simonb 	int64_t	intrs;
    400        1.54    simonb 	int64_t	swtch;
    401        1.54    simonb 	int64_t	softs;
    402        1.54    simonb 	int64_t	syscalls;
    403        1.54    simonb 	int64_t	pageins;
    404       1.160     rmind 	int64_t	swapins;		/* unused */
    405       1.160     rmind 	int64_t	swapouts;		/* unused */
    406        1.54    simonb 	int64_t	pgswapin;
    407        1.54    simonb 	int64_t	pgswapout;
    408        1.54    simonb 	int64_t	forks;
    409        1.54    simonb 	int64_t	forks_ppwait;
    410        1.54    simonb 	int64_t	forks_sharevm;
    411        1.54    simonb 	int64_t	pga_zerohit;
    412        1.54    simonb 	int64_t	pga_zeromiss;
    413        1.54    simonb 	int64_t	zeroaborts;
    414        1.54    simonb 	int64_t	fltnoram;
    415        1.54    simonb 	int64_t	fltnoanon;
    416        1.54    simonb 	int64_t	fltpgwait;
    417        1.54    simonb 	int64_t	fltpgrele;
    418        1.54    simonb 	int64_t	fltrelck;
    419        1.54    simonb 	int64_t	fltrelckok;
    420        1.54    simonb 	int64_t	fltanget;
    421        1.54    simonb 	int64_t	fltanretry;
    422        1.54    simonb 	int64_t	fltamcopy;
    423        1.54    simonb 	int64_t	fltnamap;
    424        1.54    simonb 	int64_t	fltnomap;
    425        1.54    simonb 	int64_t	fltlget;
    426        1.54    simonb 	int64_t	fltget;
    427        1.54    simonb 	int64_t	flt_anon;
    428        1.54    simonb 	int64_t	flt_acow;
    429        1.54    simonb 	int64_t	flt_obj;
    430        1.54    simonb 	int64_t	flt_prcopy;
    431        1.54    simonb 	int64_t	flt_przero;
    432        1.54    simonb 	int64_t	pdwoke;
    433        1.54    simonb 	int64_t	pdrevs;
    434       1.160     rmind 	int64_t	unused4;
    435        1.54    simonb 	int64_t	pdfreed;
    436        1.54    simonb 	int64_t	pdscans;
    437        1.54    simonb 	int64_t	pdanscan;
    438        1.54    simonb 	int64_t	pdobscan;
    439        1.54    simonb 	int64_t	pdreact;
    440        1.54    simonb 	int64_t	pdbusy;
    441        1.54    simonb 	int64_t	pdpageouts;
    442        1.54    simonb 	int64_t	pdpending;
    443        1.54    simonb 	int64_t	pddeact;
    444        1.55    simonb 	int64_t	anonpages;
    445        1.69       chs 	int64_t	filepages;
    446        1.69       chs 	int64_t	execpages;
    447        1.60   thorpej 	int64_t colorhit;
    448        1.60   thorpej 	int64_t colormiss;
    449        1.61   thorpej 	int64_t ncolors;
    450   1.176.2.4      yamt 
    451   1.176.2.3      yamt 	int64_t possiblydirtypages;
    452   1.176.2.1      yamt 	int64_t cleanpages;
    453   1.176.2.1      yamt 	int64_t dirtypages;
    454   1.176.2.3      yamt 	int64_t possiblydirtyanonpages;
    455   1.176.2.2      yamt 	int64_t cleananonpages;
    456   1.176.2.2      yamt 	int64_t dirtyanonpages;
    457   1.176.2.4      yamt 
    458   1.176.2.4      yamt 	int64_t loan_obj;	/* O->K loan */
    459   1.176.2.4      yamt 	int64_t unloan_obj;	/* O->K unloan */
    460   1.176.2.6      yamt 	int64_t loanbreak_obj;	/* O->K loan resolved on write to O */
    461   1.176.2.6      yamt 	int64_t loanfree_obj;	/* O->K loan resolved on free of O */
    462   1.176.2.4      yamt 
    463   1.176.2.4      yamt 	int64_t loan_anon;	/* A->K loan */
    464   1.176.2.4      yamt 	int64_t unloan_anon;	/* A->K unloan */
    465   1.176.2.6      yamt 	int64_t loanbreak_anon;	/* A->K loan resolved on write to A */
    466   1.176.2.6      yamt 	int64_t loanfree_anon;	/* A->K loan resolved on free of A */
    467   1.176.2.6      yamt 
    468   1.176.2.6      yamt 	int64_t loan_oa;	/* O->A->K loan */
    469   1.176.2.6      yamt 	int64_t unloan_oa;	/* O->A->K unloan */
    470   1.176.2.4      yamt 
    471   1.176.2.4      yamt 	int64_t loan_zero;	/* O->K loan (zero) */
    472   1.176.2.4      yamt 	int64_t unloan_zero;	/* O->K unloan (zero) */
    473   1.176.2.6      yamt 
    474   1.176.2.6      yamt 	int64_t loanbreak_orphaned; /* O->A->K loan turned into A->K loan due to
    475   1.176.2.6      yamt 					write to O */
    476   1.176.2.6      yamt 	int64_t loanfree_orphaned; /* O->A->K loan turned into A->K loan due to
    477   1.176.2.6      yamt 					free of O */
    478   1.176.2.6      yamt 	int64_t loanbreak_orphaned_anon; /* O->A->K loan turned into O->K loan
    479   1.176.2.6      yamt 					due to write to A */
    480   1.176.2.6      yamt 	int64_t loanfree_orphaned_anon; /* O->A->K loan turned into O->K loan
    481   1.176.2.6      yamt 					due to free of A */
    482   1.176.2.6      yamt 
    483   1.176.2.6      yamt 	int64_t loanbreak_oa_obj; /* O->A loan resolved on write to O */
    484   1.176.2.6      yamt 	int64_t loanfree_oa_obj; /* O->A loan resolved on free of O */
    485   1.176.2.6      yamt 	int64_t loanbreak_oa_anon; /* O->A loan resolved on write to A */
    486   1.176.2.6      yamt 	int64_t loanfree_oa_anon; /* O->A loan resolved on free of A */
    487   1.176.2.6      yamt 	int64_t loan_resolve_orphan; /* O->A loaned page taken over by anon */
    488   1.176.2.6      yamt 	int64_t loan_obj_read;	/* O->A loan for read(2) */
    489         1.1       mrg };
    490         1.1       mrg 
    491        1.31   thorpej #ifdef _KERNEL
    492        1.97       chs /* we need this before including uvm_page.h on some platforms */
    493        1.45       mrg extern struct uvmexp uvmexp;
    494       1.168      matt /* MD code needs this without including <uvm/uvm.h> */
    495       1.168      matt extern bool vm_page_zero_enable;
    496   1.176.2.7      yamt 
    497   1.176.2.8      yamt extern int vm_loan_read_thresh;
    498        1.45       mrg #endif
    499         1.1       mrg 
    500        1.45       mrg /*
    501        1.45       mrg  * Finally, bring in standard UVM headers.
    502        1.45       mrg  */
    503        1.45       mrg #include <sys/vmmeter.h>
    504        1.45       mrg #include <sys/queue.h>
    505       1.116        he #include <sys/lock.h>
    506   1.176.2.9      yamt #ifdef _KERNEL
    507   1.176.2.9      yamt #include <sys/vmem.h>
    508   1.176.2.9      yamt #endif
    509        1.45       mrg #include <uvm/uvm_param.h>
    510        1.45       mrg #include <uvm/uvm_prot.h>
    511        1.45       mrg #include <uvm/uvm_pmap.h>
    512        1.45       mrg #include <uvm/uvm_map.h>
    513        1.45       mrg #include <uvm/uvm_pager.h>
    514        1.45       mrg 
    515        1.45       mrg /*
    516       1.138      yamt  * helpers for calling ubc_release()
    517       1.138      yamt  */
    518       1.138      yamt #ifdef PMAP_CACHE_VIVT
    519       1.138      yamt #define UBC_WANT_UNMAP(vp) (((vp)->v_iflag & VI_TEXT) != 0)
    520       1.138      yamt #else
    521       1.138      yamt #define UBC_WANT_UNMAP(vp) false
    522       1.138      yamt #endif
    523       1.150     pooka #define UBC_UNMAP_FLAG(vp) (UBC_WANT_UNMAP(vp) ? UBC_UNMAP : 0)
    524       1.138      yamt 
    525       1.138      yamt /*
    526        1.45       mrg  * Shareable process virtual address space.
    527        1.45       mrg  * May eventually be merged with vm_map.
    528        1.45       mrg  * Several fields are temporary (text, data stuff).
    529        1.45       mrg  */
    530        1.45       mrg struct vmspace {
    531        1.45       mrg 	struct	vm_map vm_map;	/* VM address map */
    532        1.92        pk 	int	vm_refcnt;	/* number of references *
    533        1.92        pk 				 * note: protected by vm_map.ref_lock */
    534       1.128  christos 	void *	vm_shm;		/* SYS5 shared memory private data XXX */
    535        1.45       mrg /* we copy from vm_startcopy to the end of the structure on fork */
    536        1.45       mrg #define vm_startcopy vm_rssize
    537        1.59   thorpej 	segsz_t vm_rssize;	/* current resident set size in pages */
    538        1.45       mrg 	segsz_t vm_swrss;	/* resident set size before last swap */
    539        1.45       mrg 	segsz_t vm_tsize;	/* text size (pages) XXX */
    540        1.45       mrg 	segsz_t vm_dsize;	/* data size (pages) XXX */
    541        1.45       mrg 	segsz_t vm_ssize;	/* stack size (pages) */
    542       1.153       mrg 	segsz_t vm_issize;	/* initial unmapped stack size (pages) */
    543       1.128  christos 	void *	vm_taddr;	/* user virtual address of text XXX */
    544       1.128  christos 	void *	vm_daddr;	/* user virtual address of data XXX */
    545       1.128  christos 	void *vm_maxsaddr;	/* user VA at max stack growth */
    546       1.128  christos 	void *vm_minsaddr;	/* user VA at top of stack */
    547       1.142  christos 	size_t vm_aslr_delta_mmap;	/* mmap() random delta for ASLR */
    548        1.45       mrg };
    549       1.111      yamt #define	VMSPACE_IS_KERNEL_P(vm)	VM_MAP_IS_KERNEL(&(vm)->vm_map)
    550        1.45       mrg 
    551        1.45       mrg #ifdef _KERNEL
    552        1.43       mrg 
    553        1.43       mrg /*
    554        1.70   thorpej  * used to keep state while iterating over the map for a core dump.
    555        1.70   thorpej  */
    556        1.70   thorpej struct uvm_coredump_state {
    557        1.70   thorpej 	void *cookie;		/* opaque for the caller */
    558        1.70   thorpej 	vaddr_t start;		/* start of region */
    559       1.102      matt 	vaddr_t realend;	/* real end of region */
    560       1.102      matt 	vaddr_t end;		/* virtual end of region */
    561        1.70   thorpej 	vm_prot_t prot;		/* protection of region */
    562        1.70   thorpej 	int flags;		/* flags; see below */
    563        1.70   thorpej };
    564        1.70   thorpej 
    565        1.70   thorpej #define	UVM_COREDUMP_STACK	0x01	/* region is user stack */
    566        1.70   thorpej 
    567        1.70   thorpej /*
    568        1.43       mrg  * the various kernel maps, owned by MD code
    569        1.43       mrg  */
    570        1.65       chs extern struct vm_map *kernel_map;
    571        1.65       chs extern struct vm_map *phys_map;
    572        1.79   thorpej 
    573        1.79   thorpej /*
    574         1.1       mrg  * macros
    575         1.1       mrg  */
    576         1.1       mrg 
    577        1.45       mrg #define vm_resident_count(vm) (pmap_resident_count((vm)->vm_map.pmap))
    578         1.1       mrg 
    579        1.44       mrg 
    580        1.44       mrg /* vm_machdep.c */
    581       1.170     pooka int		vmapbuf(struct buf *, vsize_t);
    582        1.91  junyoung void		vunmapbuf(struct buf *, vsize_t);
    583        1.31   thorpej 
    584         1.1       mrg /* uvm_aobj.c */
    585        1.91  junyoung struct uvm_object	*uao_create(vsize_t, int);
    586        1.91  junyoung void			uao_detach(struct uvm_object *);
    587        1.91  junyoung void			uao_reference(struct uvm_object *);
    588         1.1       mrg 
    589        1.53       chs /* uvm_bio.c */
    590        1.91  junyoung void			ubc_init(void);
    591       1.107      yamt void *			ubc_alloc(struct uvm_object *, voff_t, vsize_t *, int,
    592       1.107      yamt 			    int);
    593        1.91  junyoung void			ubc_release(void *, int);
    594       1.130      yamt int			ubc_uiomove(struct uvm_object *, struct uio *, vsize_t,
    595       1.134      yamt 			    int, int);
    596       1.174   hannken void			ubc_zerorange(struct uvm_object *, off_t, size_t, int);
    597       1.173     rmind void			ubc_purge(struct uvm_object *);
    598        1.53       chs 
    599       1.155     rmind /* uvm_emap.c */
    600       1.155     rmind void			uvm_emap_sysinit(void);
    601       1.155     rmind #ifdef __HAVE_PMAP_EMAP
    602       1.155     rmind void			uvm_emap_switch(lwp_t *);
    603       1.155     rmind #else
    604       1.155     rmind #define			uvm_emap_switch(l)
    605       1.155     rmind #endif
    606       1.155     rmind 
    607       1.155     rmind u_int			uvm_emap_gen_return(void);
    608       1.155     rmind void			uvm_emap_update(u_int);
    609       1.155     rmind 
    610       1.155     rmind vaddr_t			uvm_emap_alloc(vsize_t, bool);
    611       1.155     rmind void			uvm_emap_free(vaddr_t, size_t);
    612       1.155     rmind 
    613       1.155     rmind void			uvm_emap_enter(vaddr_t, struct vm_page **, u_int);
    614       1.155     rmind void			uvm_emap_remove(vaddr_t, vsize_t);
    615       1.155     rmind 
    616       1.155     rmind #ifdef __HAVE_PMAP_EMAP
    617       1.155     rmind void			uvm_emap_consume(u_int);
    618       1.155     rmind u_int			uvm_emap_produce(void);
    619       1.155     rmind #else
    620       1.155     rmind #define			uvm_emap_consume(x)
    621       1.155     rmind #define			uvm_emap_produce()	UVM_EMAP_INACTIVE
    622       1.155     rmind #endif
    623       1.155     rmind 
    624         1.1       mrg /* uvm_fault.c */
    625       1.112  drochner #define uvm_fault(m, a, p) uvm_fault_internal(m, a, p, 0)
    626       1.112  drochner int		uvm_fault_internal(struct vm_map *, vaddr_t, vm_prot_t, int);
    627       1.112  drochner 			/* handle a page fault */
    628         1.1       mrg 
    629         1.1       mrg /* uvm_glue.c */
    630         1.1       mrg #if defined(KGDB)
    631       1.128  christos void			uvm_chgkprot(void *, size_t, int);
    632         1.1       mrg #endif
    633       1.126   thorpej void			uvm_proc_fork(struct proc *, struct proc *, bool);
    634        1.91  junyoung void			uvm_lwp_fork(struct lwp *, struct lwp *,
    635        1.91  junyoung 			    void *, size_t, void (*)(void *), void *);
    636        1.91  junyoung int			uvm_coredump_walkmap(struct proc *,
    637       1.103      matt 			    void *,
    638       1.103      matt 			    int (*)(struct proc *, void *,
    639        1.91  junyoung 				    struct uvm_coredump_state *), void *);
    640        1.91  junyoung void			uvm_proc_exit(struct proc *);
    641        1.91  junyoung void			uvm_lwp_exit(struct lwp *);
    642        1.91  junyoung void			uvm_init_limits(struct proc *);
    643       1.173     rmind bool			uvm_kernacc(void *, size_t, vm_prot_t);
    644       1.141     perry __dead void		uvm_scheduler(void);
    645       1.160     rmind vaddr_t			uvm_uarea_alloc(void);
    646       1.160     rmind void			uvm_uarea_free(vaddr_t);
    647  1.176.2.10      yamt vaddr_t			uvm_uarea_system_alloc(struct cpu_info *);
    648       1.171      matt void			uvm_uarea_system_free(vaddr_t);
    649       1.161     rmind vaddr_t			uvm_lwp_getuarea(lwp_t *);
    650       1.161     rmind void			uvm_lwp_setuarea(lwp_t *, vaddr_t);
    651       1.119       chs int			uvm_vslock(struct vmspace *, void *, size_t, vm_prot_t);
    652       1.119       chs void			uvm_vsunlock(struct vmspace *, void *, size_t);
    653       1.135        ad void			uvm_cpu_attach(struct cpu_info *);
    654         1.1       mrg 
    655         1.1       mrg 
    656         1.1       mrg /* uvm_init.c */
    657        1.91  junyoung void			uvm_init(void);
    658         1.1       mrg 
    659         1.1       mrg /* uvm_io.c */
    660        1.91  junyoung int			uvm_io(struct vm_map *, struct uio *);
    661         1.1       mrg 
    662         1.1       mrg /* uvm_km.c */
    663       1.100      yamt vaddr_t			uvm_km_alloc(struct vm_map *, vsize_t, vsize_t,
    664       1.100      yamt 			    uvm_flag_t);
    665       1.100      yamt void			uvm_km_free(struct vm_map *, vaddr_t, vsize_t,
    666       1.100      yamt 			    uvm_flag_t);
    667       1.100      yamt 
    668        1.91  junyoung struct vm_map		*uvm_km_suballoc(struct vm_map *, vaddr_t *,
    669       1.126   thorpej 			    vaddr_t *, vsize_t, int, bool,
    670   1.176.2.9      yamt 			    struct vm_map *);
    671   1.176.2.9      yamt #ifdef _KERNEL
    672   1.176.2.9      yamt int			uvm_km_kmem_alloc(vmem_t *, vmem_size_t, vm_flag_t,
    673   1.176.2.9      yamt 			    vmem_addr_t *);
    674   1.176.2.9      yamt void			uvm_km_kmem_free(vmem_t *, vmem_addr_t, vmem_size_t);
    675   1.176.2.9      yamt bool			uvm_km_va_starved_p(void);
    676   1.176.2.9      yamt #endif
    677        1.65       chs 
    678         1.1       mrg /* uvm_map.c */
    679        1.91  junyoung int			uvm_map(struct vm_map *, vaddr_t *, vsize_t,
    680        1.91  junyoung 			    struct uvm_object *, voff_t, vsize_t,
    681        1.91  junyoung 			    uvm_flag_t);
    682        1.91  junyoung int			uvm_map_pageable(struct vm_map *, vaddr_t,
    683       1.126   thorpej 			    vaddr_t, bool, int);
    684        1.91  junyoung int			uvm_map_pageable_all(struct vm_map *, int, vsize_t);
    685       1.126   thorpej bool			uvm_map_checkprot(struct vm_map *, vaddr_t,
    686        1.91  junyoung 			    vaddr_t, vm_prot_t);
    687        1.91  junyoung int			uvm_map_protect(struct vm_map *, vaddr_t,
    688       1.126   thorpej 			    vaddr_t, vm_prot_t, bool);
    689        1.91  junyoung struct vmspace		*uvmspace_alloc(vaddr_t, vaddr_t);
    690        1.91  junyoung void			uvmspace_init(struct vmspace *, struct pmap *,
    691        1.91  junyoung 			    vaddr_t, vaddr_t);
    692        1.91  junyoung void			uvmspace_exec(struct lwp *, vaddr_t, vaddr_t);
    693   1.176.2.9      yamt void			uvmspace_spawn(struct lwp *, vaddr_t, vaddr_t);
    694        1.91  junyoung struct vmspace		*uvmspace_fork(struct vmspace *);
    695       1.111      yamt void			uvmspace_addref(struct vmspace *);
    696        1.91  junyoung void			uvmspace_free(struct vmspace *);
    697        1.91  junyoung void			uvmspace_share(struct proc *, struct proc *);
    698        1.91  junyoung void			uvmspace_unshare(struct lwp *);
    699         1.1       mrg 
    700       1.140      yamt void			uvm_whatis(uintptr_t, void (*)(const char *, ...));
    701         1.1       mrg 
    702         1.1       mrg /* uvm_meter.c */
    703        1.91  junyoung int			uvm_sysctl(int *, u_int, void *, size_t *,
    704        1.91  junyoung 			    void *, size_t, struct proc *);
    705       1.118      yamt int			uvm_pctparam_check(struct uvm_pctparam *, int);
    706       1.108      yamt void			uvm_pctparam_set(struct uvm_pctparam *, int);
    707       1.118      yamt int			uvm_pctparam_get(struct uvm_pctparam *);
    708       1.118      yamt void			uvm_pctparam_init(struct uvm_pctparam *, int,
    709       1.118      yamt 			    int (*)(struct uvm_pctparam *, int));
    710       1.118      yamt int			uvm_pctparam_createsysctlnode(struct uvm_pctparam *,
    711       1.118      yamt 			    const char *, const char *);
    712         1.1       mrg 
    713         1.1       mrg /* uvm_mmap.c */
    714        1.91  junyoung int			uvm_mmap(struct vm_map *, vaddr_t *, vsize_t,
    715        1.91  junyoung 			    vm_prot_t, vm_prot_t, int,
    716        1.91  junyoung 			    void *, voff_t, vsize_t);
    717        1.99      fvdl vaddr_t			uvm_default_mapaddr(struct proc *, vaddr_t, vsize_t);
    718         1.1       mrg 
    719       1.109      yamt /* uvm_mremap.c */
    720       1.109      yamt int			uvm_mremap(struct vm_map *, vaddr_t, vsize_t,
    721       1.109      yamt 			    struct vm_map *, vaddr_t *, vsize_t,
    722       1.109      yamt 			    struct proc *, int);
    723       1.109      yamt 
    724       1.120      yamt /* uvm_object.c */
    725       1.173     rmind void			uvm_obj_init(struct uvm_object *,
    726       1.173     rmind 			    const struct uvm_pagerops *, bool, u_int);
    727       1.173     rmind void			uvm_obj_setlock(struct uvm_object *, kmutex_t *);
    728       1.173     rmind void			uvm_obj_destroy(struct uvm_object *, bool);
    729       1.175  christos int			uvm_obj_wirepages(struct uvm_object *, off_t, off_t,
    730       1.175  christos 			    struct pglist *);
    731       1.173     rmind void			uvm_obj_unwirepages(struct uvm_object *, off_t, off_t);
    732       1.120      yamt 
    733         1.1       mrg /* uvm_page.c */
    734        1.91  junyoung struct vm_page		*uvm_pagealloc_strat(struct uvm_object *,
    735        1.91  junyoung 			    voff_t, struct vm_anon *, int, int, int);
    736        1.24       chs #define	uvm_pagealloc(obj, off, anon, flags) \
    737        1.24       chs 	    uvm_pagealloc_strat((obj), (off), (anon), (flags), \
    738        1.24       chs 				UVM_PGA_STRAT_NORMAL, 0)
    739        1.91  junyoung void			uvm_pagereplace(struct vm_page *,
    740        1.91  junyoung 			    struct vm_page *);
    741        1.91  junyoung void			uvm_pagerealloc(struct vm_page *,
    742        1.91  junyoung 			    struct uvm_object *, voff_t);
    743        1.19       eeh /* Actually, uvm_page_physload takes PF#s which need their own type */
    744        1.91  junyoung void			uvm_page_physload(paddr_t, paddr_t, paddr_t,
    745        1.91  junyoung 			    paddr_t, int);
    746        1.91  junyoung void			uvm_setpagesize(void);
    747         1.1       mrg 
    748        1.53       chs /* uvm_pager.c */
    749        1.91  junyoung void			uvm_aio_biodone(struct buf *);
    750        1.91  junyoung void			uvm_aio_aiodone(struct buf *);
    751       1.145      yamt void			uvm_aio_aiodone_pages(struct vm_page **, int, bool,
    752       1.145      yamt 			    int);
    753        1.53       chs 
    754         1.1       mrg /* uvm_pdaemon.c */
    755        1.91  junyoung void			uvm_pageout(void *);
    756       1.124      yamt struct work;
    757       1.124      yamt void			uvm_aiodone_worker(struct work *, void *);
    758       1.143        ad void			uvm_pageout_start(int);
    759       1.143        ad void			uvm_pageout_done(int);
    760       1.118      yamt void			uvm_estimatepageable(int *, int *);
    761         1.1       mrg 
    762         1.1       mrg /* uvm_pglist.c */
    763        1.91  junyoung int			uvm_pglistalloc(psize_t, paddr_t, paddr_t,
    764        1.91  junyoung 			    paddr_t, paddr_t, struct pglist *, int, int);
    765        1.91  junyoung void			uvm_pglistfree(struct pglist *);
    766         1.1       mrg 
    767         1.1       mrg /* uvm_swap.c */
    768        1.91  junyoung void			uvm_swap_init(void);
    769         1.1       mrg 
    770         1.1       mrg /* uvm_unix.c */
    771        1.91  junyoung int			uvm_grow(struct proc *, vaddr_t);
    772         1.1       mrg 
    773         1.1       mrg /* uvm_user.c */
    774        1.91  junyoung void			uvm_deallocate(struct vm_map *, vaddr_t, vsize_t);
    775         1.1       mrg 
    776         1.1       mrg /* uvm_vnode.c */
    777   1.176.2.5      yamt struct uvm_page_array;
    778        1.91  junyoung void			uvm_vnp_setsize(struct vnode *, voff_t);
    779       1.130      yamt void			uvm_vnp_setwritesize(struct vnode *, voff_t);
    780        1.91  junyoung int			uvn_findpages(struct uvm_object *, voff_t,
    781   1.176.2.5      yamt 			    unsigned int *, struct vm_page **,
    782   1.176.2.5      yamt 			    struct uvm_page_array *, unsigned int);
    783       1.126   thorpej bool			uvn_text_p(struct uvm_object *);
    784       1.126   thorpej bool			uvn_clean_p(struct uvm_object *);
    785       1.126   thorpej bool			uvn_needs_writefault_p(struct uvm_object *);
    786        1.37   thorpej 
    787        1.37   thorpej /* kern_malloc.c */
    788        1.91  junyoung void			kmeminit_nkmempages(void);
    789        1.91  junyoung void			kmeminit(void);
    790        1.37   thorpej extern int		nkmempages;
    791         1.1       mrg 
    792        1.31   thorpej #endif /* _KERNEL */
    793        1.31   thorpej 
    794         1.8     perry #endif /* _UVM_UVM_EXTERN_H_ */
    795