From: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Date: Thu, 8 Jan 2009 02:08:13 +0000 (-0800)
Subject: memcg: hierarchy avoid unnecessary reclaim
X-Git-Tag: v2.6.29-rc1~116
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=670ec2f170301425fc4fdfa63d40652071fe85f6;p=pandora-kernel.git

memcg: hierarchy avoid unnecessary reclaim

If hierarchy is not used, no tree-walk is necessary.

Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@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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