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authorAlan Cox <alc@FreeBSD.org>2002-07-31 07:27:08 +0000
committerAlan Cox <alc@FreeBSD.org>2002-07-31 07:27:08 +0000
commit67c1fae92ede8d0e9a9ea5334791e93e5b92e80d (patch)
treed49e59d08a457a2d70c935629da238b02279c1fd /sys/vm/vm_page.c
parentc3a0d1d4e1ef73c5c179adb4b40be67354cc4e0d (diff)
downloadsrc-67c1fae92ede8d0e9a9ea5334791e93e5b92e80d.tar.gz
src-67c1fae92ede8d0e9a9ea5334791e93e5b92e80d.zip
o Lock page accesses by vm_page_io_start() with the page queues lock.
o Assert that the page queues lock is held in vm_page_io_start().
Notes
Notes: svn path=/head/; revision=101019
Diffstat (limited to 'sys/vm/vm_page.c')
-rw-r--r--sys/vm/vm_page.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 9acd481c2bed..7286d1390916 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -396,7 +396,8 @@ vm_page_wakeup(vm_page_t m)
void
vm_page_io_start(vm_page_t m)
{
- GIANT_REQUIRED;
+
+ mtx_assert(&vm_page_queue_mtx, MA_OWNED);
m->busy++;
}