From: Jan Blunck <jblunck@suse.de>
Date: Thu, 8 Jan 2009 02:07:53 +0000 (-0800)
Subject: memcg: reduce size of mem_cgroup by using nr_cpu_ids
X-Git-Tag: v2.6.29-rc1~135
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c8dad2bb6307f5b00f804a686917105206a4d5c9;p=pandora-kernel.git

memcg: reduce size of mem_cgroup by using nr_cpu_ids

As Jan Blunck <jblunck@suse.de> pointed out, allocating per-cpu stat for
memcg to the size of NR_CPUS is not good.

This patch changes mem_cgroup's cpustat allocation not based on NR_CPUS
but based on nr_cpu_ids.

Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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