From: Nikanth Karthikesan <knikanth@suse.de>
Date: Thu, 28 May 2009 21:34:41 +0000 (-0700)
Subject: memcg: fix build warning and avoid checking for mem != null again and again
X-Git-Tag: v2.6.30-rc8~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=46f7e602fb32e02145ef14f8c0ca6d399f0a96b9;p=pandora-kernel.git

memcg: fix build warning and avoid checking for mem != null again and again

Fix build warning, "mem_cgroup_is_obsolete defined but not used" when
CONFIG_DEBUG_VM is not set.  Also avoid checking for !mem again and again.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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