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authoralc <alc@FreeBSD.org>2002-07-27 05:08:49 +0000
committeralc <alc@FreeBSD.org>2002-07-27 05:08:49 +0000
commit066f58464f971824c772c910c9c4455432cfc622 (patch)
tree4c6b689d465f713e4b8133eb38fc16ae18dfebaa /sys
parentabf1927809587298b86fedccf6da4205e2b69bfc (diff)
downloadFreeBSD-src-066f58464f971824c772c910c9c4455432cfc622.zip
FreeBSD-src-066f58464f971824c772c910c9c4455432cfc622.tar.gz
o Lock page queue accesses by vm_page_activate() and vm_page_deactivate().
Diffstat (limited to 'sys')
-rw-r--r--sys/fs/specfs/spec_vnops.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/fs/specfs/spec_vnops.c b/sys/fs/specfs/spec_vnops.c
index f559b79..4ccb2db 100644
--- a/sys/fs/specfs/spec_vnops.c
+++ b/sys/fs/specfs/spec_vnops.c
@@ -760,8 +760,8 @@ spec_getpages(ap)
}
pmap_qremove(kva, pcount);
-
gotreqpage = 0;
+ vm_page_lock_queues();
for (i = 0, toff = 0; i < pcount; i++, toff = nextoff) {
nextoff = toff + PAGE_SIZE;
m = ap->a_m[i];
@@ -812,6 +812,7 @@ spec_getpages(ap)
vm_page_zero_invalid(m, FALSE);
}
}
+ vm_page_unlock_queues();
if (!gotreqpage) {
m = ap->a_m[ap->a_reqpage];
printf(
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