Author: kib
Date: Sun May 11 18:07:07 2014
New Revision: 265887
URL: http://svnweb.freebsd.org/changeset/base/265887
Log:
Fix locking. The dst_object must remain locked on the retry of the
loop iteration.
Reported and tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 6 days
Modified:
head/sys/vm/vm_fault.c
Modified: head/sys/vm/vm_fault.c
==============================================================================
--- head/sys/vm/vm_fault.c Sun May 11 17:41:29 2014 (r265886)
+++ head/sys/vm/vm_fault.c Sun May 11 18:07:07 2014 (r265887)
@@ -1359,6 +1359,7 @@ again:
VM_OBJECT_WUNLOCK(dst_object);
VM_OBJECT_RUNLOCK(object);
VM_WAIT;
+ VM_OBJECT_WLOCK(dst_object);
goto again;
}
} while (dst_m == NULL);
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