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Date: Tue, 16 Nov 2010 12:58:46 +0900
From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 4/6] memcg: simplify mem_cgroup_page_stat()
Message-Id: <20101116125846.0f35b82b.kamezawa.hiroyu@jp.fujitsu.com>
In-Reply-To: <1289294671-6865-5-git-send-email-gthelen@google.com>
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	<1289294671-6865-5-git-send-email-gthelen@google.com>
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To: Greg Thelen <gthelen@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Balbir Singh <balbir@linux.vnet.ibm.com>, Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>, Johannes Weiner <hannes@cmpxchg.org>, Wu Fengguang <fengguang.wu@intel.com>, Minchan Kim <minchan.kim@gmail.com>, linux-mm@kvack.org, linux-kernel@vger.kernel.org
List-ID: <linux-mm.kvack.org>

On Tue,  9 Nov 2010 01:24:29 -0800
Greg Thelen <gthelen@google.com> wrote:

> The cgroup given to mem_cgroup_page_stat() is no allowed to be
> NULL or the root cgroup.  So there is no need to complicate the code
> handling those cases.
> 
> Signed-off-by: Greg Thelen <gthelen@google.com>

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

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