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Date: Mon, 28 Feb 2011 11:09:20 +0100
From: Michal Hocko <mhocko@suse.cz>
Subject: [PATCH 1/2] page_cgroup: Reduce allocation overhead for
 page_cgroup array for CONFIG_SPARSEMEM
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To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Dave Hansen <dave@linux.vnet.ibm.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

Hi Andrew,
could you consider the patch bellow, please?
The patch was discussed at https://lkml.org/lkml/2011/2/23/232
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