From c7ba5c9e8176704bfac0729875fa62798037584d Mon Sep 17 00:00:00 2001
From: Pavel Emelianov <xemul@openvz.org>
Date: Thu, 7 Feb 2008 00:13:58 -0800
Subject: Memory controller: OOM handling

Out of memory handling for cgroups over their limit. A task from the
cgroup over limit is chosen using the existing OOM logic and killed.

TODO:
1. As discussed in the OLS BOF session, consider implementing a user
space policy for OOM handling.

[akpm@linux-foundation.org: fix build due to oom-killer changes]
Signed-off-by: Pavel Emelianov <xemul@openvz.org>
Signed-off-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Kirill Korotaev <dev@sw.ru>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: David Rientjes <rientjes@google.com>
Cc: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 mm/memcontrol.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'mm/memcontrol.c')

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index d73692279ab..5260658c90a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -329,6 +329,7 @@ retry:
 		}
 
 		css_put(&mem->css);
+		mem_cgroup_out_of_memory(mem, GFP_KERNEL);
 		goto free_pc;
 	}
 
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