From: Igor Mammedov <imammedo@redhat.com>
Date: Wed, 2 Nov 2011 20:38:21 +0000 (-0700)
Subject: memcg: do not expose uninitialized mem_cgroup_per_node to world
X-Git-Tag: v3.2-rc1~82^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a619e58703b86d53d07e938eade9a91a4a863c6;p=pandora-kernel.git

memcg: do not expose uninitialized mem_cgroup_per_node to world

If somebody is touching data too early, it might be easier to diagnose a
problem when dereferencing NULL at mem->info.nodeinfo[node] than trying to
understand why mem_cgroup_per_zone is [un|partly]initialized.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: 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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