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in uvn_flush(), don't deactivate busy pages.

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chs 2000-12-16 06:17:09 +00:00
parent 4cf1e73334
commit 34a059b354
1 changed files with 3 additions and 1 deletions
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4
sys/uvm/uvm_vnode.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_vnode.c,v 1.39 2000/12/06 03:37:30 chs Exp $ */ /* $NetBSD: uvm_vnode.c,v 1.40 2000/12/16 06:17:09 chs Exp $ */
/* /*
* Copyright (c) 1997 Charles D. Cranor and Washington University. * Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -562,6 +562,7 @@ uvn_flush(uobj, start, stop, flags)
if (flags & PGO_DEACTIVATE) { if (flags & PGO_DEACTIVATE) {
if ((pp->pqflags & PQ_INACTIVE) == 0 && if ((pp->pqflags & PQ_INACTIVE) == 0 &&
(pp->flags & PG_BUSY) == 0 &&
pp->wire_count == 0) { pp->wire_count == 0) {
pmap_page_protect(pp, VM_PROT_NONE); pmap_page_protect(pp, VM_PROT_NONE);
uvm_pagedeactivate(pp); uvm_pagedeactivate(pp);
@ -753,6 +754,7 @@ ReTry:
if (flags & PGO_DEACTIVATE) { if (flags & PGO_DEACTIVATE) {
if ((pp->pqflags & PQ_INACTIVE) == 0 && if ((pp->pqflags & PQ_INACTIVE) == 0 &&
(pp->flags & PG_BUSY) == 0 &&
pp->wire_count == 0) { pp->wire_count == 0) {
pmap_page_protect(ptmp, VM_PROT_NONE); pmap_page_protect(ptmp, VM_PROT_NONE);
uvm_pagedeactivate(ptmp); uvm_pagedeactivate(ptmp);