Author: kib
Date: Sun May 29 15:46:19 2016
New Revision: 300959
URL: https://svnweb.freebsd.org/changeset/base/300959
Log:
Do not leak the vm object lock when swap reservation failed, in
vm_object_coalesce().
Reported and tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/vm/vm_object.c
Modified: head/sys/vm/vm_object.c
==============================================================================
--- head/sys/vm/vm_object.c Sun May 29 15:02:55 2016 (r300958)
+++ head/sys/vm/vm_object.c Sun May 29 15:46:19 2016 (r300959)
@@ -2123,6 +2123,7 @@ vm_object_coalesce(vm_object_t prev_obje
*/
if (!reserved && !swap_reserve_by_cred(ptoa(next_size),
prev_object->cred)) {
+ VM_OBJECT_WUNLOCK(prev_object);
return (FALSE);
}
prev_object->charge += ptoa(next_size);
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