240     struct vm_page *pg, vm_prot_t prot, vm_prot_t access_type, vaddr_t va)  in ubc_fault_page()  argument
246 	KASSERT(rw_write_held(pg->uobject->vmobjlock));  in ubc_fault_page()
248 	KASSERT((pg->flags & PG_FAKE) == 0);  in ubc_fault_page()
249 	if (pg->flags & PG_RELEASED) {  in ubc_fault_page()
250 		uvm_pagefree(pg);  in ubc_fault_page()
253 	if (pg->loan_count != 0) {  in ubc_fault_page()
265 			newpg = uvm_loanbreak(pg);  in ubc_fault_page()
267 				uvm_page_unbusy(&pg, 1);  in ubc_fault_page()
270 			pg = newpg;  in ubc_fault_page()
282 	KASSERT((pg->flags & PG_RDONLY) == 0 ||  in ubc_fault_page()
284 	    pg->offset < umap->writeoff ||  in ubc_fault_page()
285 	    pg->offset + PAGE_SIZE > umap->writeoff + umap->writelen);  in ubc_fault_page()
287 	rdonly = uvm_pagereadonly_p(pg);  in ubc_fault_page()
290 	error = pmap_enter(ufi->orig_map->pmap, va, VM_PAGE_TO_PHYS(pg),  in ubc_fault_page()
293 	uvm_pagelock(pg);  in ubc_fault_page()
294 	uvm_pageactivate(pg);  in ubc_fault_page()
295 	uvm_pagewakeup(pg);  in ubc_fault_page()
296 	uvm_pageunlock(pg);  in ubc_fault_page()
297 	pg->flags &= ~PG_BUSY;  in ubc_fault_page()
298 	UVM_PAGE_OWN(pg, NULL);  in ubc_fault_page()
426 		struct vm_page *pg;  in ubc_fault()  local
430 		pg = pgs[i];  in ubc_fault()
432 		if (pg == NULL || pg == PGO_DONTCARE) {  in ubc_fault()
435 		KASSERT(uobj->vmobjlock == pg->uobject->vmobjlock);  in ubc_fault()
436 		error = ubc_fault_page(ufi, umap, pg, prot, access_type, va);  in ubc_fault()
603 			struct vm_page *pg = pgs[i];  in ubc_alloc()  local
605 			KASSERT(pg->uobject == uobj);  in ubc_alloc()
606 			if (pg->loan_count != 0) {  in ubc_alloc()
608 				if (pg->loan_count != 0) {  in ubc_alloc()
609 					pg = uvm_loanbreak(pg);  in ubc_alloc()
611 				if (pg == NULL) {  in ubc_alloc()
620 				pgs[i] = pg;  in ubc_alloc()
624 			    VM_PAGE_TO_PHYS(pg),  in ubc_alloc()
670 			struct vm_page *pg = pgs[i];  in ubc_release()  local
677 			KASSERT(PHYS_TO_VM_PAGE(pa) == pg);  in ubc_release()
679 			pg->flags &= ~PG_FAKE;  in ubc_release()
680 			KASSERTMSG(uvm_pagegetdirty(pg) ==  in ubc_release()
682 			    "page %p not dirty", pg);  in ubc_release()
683 			KASSERT(pg->loan_count == 0);  in ubc_release()
684 			if (uvmpdpol_pageactivate_p(pg)) {  in ubc_release()
685 				uvm_pagelock(pg);  in ubc_release()
686 				uvm_pageactivate(pg);  in ubc_release()
687 				uvm_pageunlock(pg);  in ubc_release()
895 		struct vm_page *pg = pgs[i];  in ubc_alloc_direct()  local
897 		KASSERT(pg != NULL);  in ubc_alloc_direct()
898 		KASSERT(pg != PGO_DONTCARE);  in ubc_alloc_direct()
899 		KASSERT((pg->flags & PG_FAKE) == 0 || (gpflags & PGO_OVERWRITE));  in ubc_alloc_direct()
900 		KASSERT(pg->uobject->vmobjlock == uobj->vmobjlock);  in ubc_alloc_direct()
903 		if ((flags & UBC_WRITE) && pg->loan_count != 0) {  in ubc_alloc_direct()
904 			pg = uvm_loanbreak(pg);  in ubc_alloc_direct()
905 			if (pg == NULL) {  in ubc_alloc_direct()
911 			pgs[i] = pg;  in ubc_alloc_direct()
915 		KASSERT((pg->flags & PG_RDONLY) == 0 || (flags & UBC_WRITE) == 0);  in ubc_alloc_direct()
922 			uvm_pagemarkdirty(pg, UVM_PAGE_STATUS_DIRTY);  in ubc_alloc_direct()
936 		struct vm_page *pg = pgs[i];  in ubc_direct_release()  local
938 		pg->flags &= ~PG_BUSY;  in ubc_direct_release()
939 		UVM_PAGE_OWN(pg, NULL);  in ubc_direct_release()
940 		if (pg->flags & PG_RELEASED) {  in ubc_direct_release()
941 			pg->flags &= ~PG_RELEASED;  in ubc_direct_release()
942 			uvm_pagefree(pg);  in ubc_direct_release()
946 		if (uvm_pagewanted_p(pg) || uvmpdpol_pageactivate_p(pg)) {  in ubc_direct_release()
947 			uvm_pagelock(pg);  in ubc_direct_release()
948 			uvm_pageactivate(pg);  in ubc_direct_release()
949 			uvm_pagewakeup(pg);  in ubc_direct_release()
950 			uvm_pageunlock(pg);  in ubc_direct_release()
955 			KASSERTMSG(uvm_pagegetdirty(pg) ==  in ubc_direct_release()
957 			    "page %p not dirty", pg);  in ubc_direct_release()
958 			pg->flags &= ~PG_FAKE;  in ubc_direct_release()