linux-kernel - [BUGFIX][PATCH] memcg: fix oom schedule

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Message-Id: <20110803121532.1ab8d76c.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Wed, 3 Aug 2011 12:15:32 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	"linux-mm@...ck.org" <linux-mm@...ck.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>
Subject: [BUGFIX][PATCH] memcg: fix oom schedule_timeout


This patch is onto the latest mmotm.

==
Before calling schedule_timeout(), task state should be changed.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
---
 mm/memcontrol.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: mmotm-Aug3/mm/memcontrol.c
===================================================================
--- mmotm-Aug3.orig/mm/memcontrol.c
+++ mmotm-Aug3/mm/memcontrol.c
@@ -2005,7 +2005,7 @@ bool mem_cgroup_handle_oom(struct mem_cg
 	if (test_thread_flag(TIF_MEMDIE) || fatal_signal_pending(current))
 		return false;
 	/* Give chance to dying process */
-	schedule_timeout(1);
+	schedule_timeout_uninterruptible(1);
 	return true;
 }
 

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