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Lines Matching defs:pg

107 	struct vm_page *pg = anon->an_page, *pg2 __diagused;
119 	if (__predict_true(pg != NULL)) {
128 		if (__predict_false(pg->loan_count != 0)) {
130 			KASSERT(pg2 == pg);
139 		if (__predict_false(pg->uobject != NULL)) {
140 			mutex_enter(&pg->interlock);
141 			KASSERT(pg->loan_count > 0);
142 			pg->loan_count--;
143 			pg->uanon = NULL;
144 			mutex_exit(&pg->interlock);
145 			rw_exit(pg->uobject->vmobjlock);
153 			KASSERT((pg->flags & PG_RELEASED) == 0);
154 			pmap_page_protect(pg, VM_PROT_NONE);
161 			if (__predict_false((pg->flags & PG_BUSY) != 0)) {
162 				pg->flags |= PG_RELEASED;
166 			uvm_pagefree(pg);
168 			    "freed now!", (uintptr_t)anon, (uintptr_t)pg,
212 	struct vm_page *pg;
220 	 * note that the test for pg->loan_count is not protected -- this
226 	while (((pg = anon->an_page) != NULL) && pg->loan_count != 0) {
227 		mutex_enter(&pg->interlock);
228 		if (pg->uobject) {
234 			if (!rw_tryenter(pg->uobject->vmobjlock, RW_WRITER)) {
241 				mutex_exit(&pg->interlock);
255 		if (pg->uobject == NULL && (pg->flags & PG_ANON) == 0) {
256 			pg->flags |= PG_ANON;
257 			pg->loan_count--;
259 		mutex_exit(&pg->interlock);
262 	return pg;
277 	struct vm_page *pg;
309 	pg = anon->an_page;
310 	uobj = pg->uobject;
315 	uvm_pagemarkdirty(pg, UVM_PAGE_STATUS_DIRTY);
321 	uvm_pagelock(pg);
322 	uvm_pagedeactivate(pg);
323 	uvm_pageunlock(pg);
362 	struct vm_page *pg = anon->an_page;
366 	KASSERT(pg != NULL);
367 	KASSERT((pg->flags & PG_RELEASED) != 0);
368 	KASSERT((pg->flags & PG_BUSY) != 0);
369 	KASSERT(pg->uobject == NULL);
370 	KASSERT(pg->uanon == anon);
371 	KASSERT(pg->loan_count == 0);
374 	if ((pg->flags & PG_PAGEOUT) != 0) {
375 		pg->flags &= ~PG_PAGEOUT;
379 	uvm_pagefree(pg);