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authoralc <alc@FreeBSD.org>2003-10-04 19:23:29 +0000
committeralc <alc@FreeBSD.org>2003-10-04 19:23:29 +0000
commit7c11eaebacba51be590dbfcfc8a8dcc8513a0eb2 (patch)
tree646f064fe12e4424b020ea78bf8c3b0e4d739b52 /sys/vm/vm_page.c
parentfa0f25a35968ab0f76aa53390c80c563bf400f47 (diff)
downloadFreeBSD-src-7c11eaebacba51be590dbfcfc8a8dcc8513a0eb2.zip
FreeBSD-src-7c11eaebacba51be590dbfcfc8a8dcc8513a0eb2.tar.gz
- Extend the scope the vm object lock to cover calls to
vm_page_is_valid(). - Assert that the lock on the containing vm object is held in vm_page_is_valid().
Diffstat (limited to 'sys/vm/vm_page.c')
-rw-r--r--sys/vm/vm_page.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index dbd0263..0ff53f3 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -1682,6 +1682,7 @@ vm_page_is_valid(vm_page_t m, int base, int size)
{
int bits = vm_page_bits(base, size);
+ VM_OBJECT_LOCK_ASSERT(m->object, MA_OWNED);
if (m->valid && ((m->valid & bits) == bits))
return 1;
else
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