107 	struct vm_page *pg = anon->an_page, *pg2 __diagused;  in uvm_anfree()  local
119 	if (__predict_true(pg != NULL)) {  in uvm_anfree()
128 		if (__predict_false(pg->loan_count != 0)) {  in uvm_anfree()
130 			KASSERT(pg2 == pg);  in uvm_anfree()
139 		if (__predict_false(pg->uobject != NULL)) {  in uvm_anfree()
140 			mutex_enter(&pg->interlock);  in uvm_anfree()
141 			KASSERT(pg->loan_count > 0);  in uvm_anfree()
142 			pg->loan_count--;  in uvm_anfree()
143 			pg->uanon = NULL;  in uvm_anfree()
144 			mutex_exit(&pg->interlock);  in uvm_anfree()
145 			rw_exit(pg->uobject->vmobjlock);  in uvm_anfree()
153 			KASSERT((pg->flags & PG_RELEASED) == 0);  in uvm_anfree()
154 			pmap_page_protect(pg, VM_PROT_NONE);  in uvm_anfree()
161 			if (__predict_false((pg->flags & PG_BUSY) != 0)) {  in uvm_anfree()
162 				pg->flags |= PG_RELEASED;  in uvm_anfree()
166 			uvm_pagefree(pg);  in uvm_anfree()
168 			    "freed now!", (uintptr_t)anon, (uintptr_t)pg,  in uvm_anfree()
212 	struct vm_page *pg;  in uvm_anon_lockloanpg()  local
226 	while (((pg = anon->an_page) != NULL) && pg->loan_count != 0) {  in uvm_anon_lockloanpg()
227 		mutex_enter(&pg->interlock);  in uvm_anon_lockloanpg()
228 		if (pg->uobject) {  in uvm_anon_lockloanpg()
234 			if (!rw_tryenter(pg->uobject->vmobjlock, RW_WRITER)) {  in uvm_anon_lockloanpg()
241 				mutex_exit(&pg->interlock);  in uvm_anon_lockloanpg()
255 		if (pg->uobject == NULL && (pg->flags & PG_ANON) == 0) {  in uvm_anon_lockloanpg()
256 			pg->flags |= PG_ANON;  in uvm_anon_lockloanpg()
257 			pg->loan_count--;  in uvm_anon_lockloanpg()
259 		mutex_exit(&pg->interlock);  in uvm_anon_lockloanpg()
262 	return pg;  in uvm_anon_lockloanpg()
277 	struct vm_page *pg;  in uvm_anon_pagein()  local
309 	pg = anon->an_page;  in uvm_anon_pagein()
310 	uobj = pg->uobject;  in uvm_anon_pagein()
315 	uvm_pagemarkdirty(pg, UVM_PAGE_STATUS_DIRTY);  in uvm_anon_pagein()
321 	uvm_pagelock(pg);  in uvm_anon_pagein()
322 	uvm_pagedeactivate(pg);  in uvm_anon_pagein()
323 	uvm_pageunlock(pg);  in uvm_anon_pagein()
362 	struct vm_page *pg = anon->an_page;  in uvm_anon_release()  local
366 	KASSERT(pg != NULL);  in uvm_anon_release()
367 	KASSERT((pg->flags & PG_RELEASED) != 0);  in uvm_anon_release()
368 	KASSERT((pg->flags & PG_BUSY) != 0);  in uvm_anon_release()
369 	KASSERT(pg->uobject == NULL);  in uvm_anon_release()
370 	KASSERT(pg->uanon == anon);  in uvm_anon_release()
371 	KASSERT(pg->loan_count == 0);  in uvm_anon_release()
374 	if ((pg->flags & PG_PAGEOUT) != 0) {  in uvm_anon_release()
375 		pg->flags &= ~PG_PAGEOUT;  in uvm_anon_release()
379 	uvm_pagefree(pg);  in uvm_anon_release()