tree ad142e254a7b804cb158f2c64e9e6a77e8e4388c
parent d08c429b06d21bd2add88aea2cd1996f1b9b3bda
author David Rientjes <rientjes@google.com> 1320106027 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1320107445 -0700

oom: thaw threads if oom killed thread is frozen before deferring

If a thread has been oom killed and is frozen, thaw it before returning to
the page allocator.  Otherwise, it can stay frozen indefinitely and no
memory will be freed.

Signed-off-by: David Rientjes <rientjes@google.com>
Reported-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>