uvm_pdpolicy.h revision 1.3 1 1.3 thorpej /* $NetBSD: uvm_pdpolicy.h,v 1.3 2007/02/21 23:00:14 thorpej Exp $ */
2 1.2 yamt
3 1.2 yamt /*-
4 1.2 yamt * Copyright (c)2005, 2006 YAMAMOTO Takashi,
5 1.2 yamt * All rights reserved.
6 1.2 yamt *
7 1.2 yamt * Redistribution and use in source and binary forms, with or without
8 1.2 yamt * modification, are permitted provided that the following conditions
9 1.2 yamt * are met:
10 1.2 yamt * 1. Redistributions of source code must retain the above copyright
11 1.2 yamt * notice, this list of conditions and the following disclaimer.
12 1.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
13 1.2 yamt * notice, this list of conditions and the following disclaimer in the
14 1.2 yamt * documentation and/or other materials provided with the distribution.
15 1.2 yamt *
16 1.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 1.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 1.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 1.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 1.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 1.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 1.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 1.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.2 yamt * SUCH DAMAGE.
27 1.2 yamt */
28 1.2 yamt
29 1.2 yamt #ifndef _UVM_PDPOLICY_H_
30 1.2 yamt #define _UVM_PDPOLICY_H_
31 1.2 yamt
32 1.2 yamt struct vm_page;
33 1.2 yamt struct vm_anon;
34 1.2 yamt
35 1.2 yamt /*
36 1.2 yamt * these API is for uvm internal use only.
37 1.2 yamt * don't use them directly from outside of /sys/uvm.
38 1.2 yamt */
39 1.2 yamt
40 1.2 yamt void uvmpdpol_init(void);
41 1.2 yamt void uvmpdpol_reinit(void);
42 1.2 yamt void uvmpdpol_estimatepageable(int *, int *);
43 1.3 thorpej bool uvmpdpol_needsscan_p(void);
44 1.2 yamt
45 1.2 yamt void uvmpdpol_pageactivate(struct vm_page *);
46 1.2 yamt void uvmpdpol_pagedeactivate(struct vm_page *);
47 1.2 yamt void uvmpdpol_pagedequeue(struct vm_page *);
48 1.2 yamt void uvmpdpol_pageenqueue(struct vm_page *);
49 1.3 thorpej bool uvmpdpol_pageisqueued_p(struct vm_page *);
50 1.2 yamt void uvmpdpol_anfree(struct vm_anon *);
51 1.2 yamt
52 1.2 yamt void uvmpdpol_tune(void);
53 1.2 yamt void uvmpdpol_scaninit(void);
54 1.2 yamt struct vm_page *uvmpdpol_selectvictim(void);
55 1.2 yamt void uvmpdpol_balancequeue(int);
56 1.2 yamt
57 1.2 yamt void uvmpdpol_sysctlsetup(void);
58 1.2 yamt
59 1.2 yamt #endif /* !_UVM_PDPOLICY_H_ */
60