From 1c77f38ad623d8c3bc062f0ff9b8c5a2dfb2f1a2 Mon Sep 17 00:00:00 2001
From: Glauber Costa <glommer@parallels.com>
Date: Fri, 2 Dec 2011 19:58:38 -0200
Subject: [PATCH] sched/accounting: Fix user/system tick double accounting

Now that we're  pointing cpuacct's root cgroup to cpustat and accounting
through task_group_account_field(), we should not access cpustat directly.
Since it is done anyway inside the acessor function, we end up accounting
it twice, which is wrong.

Signed-off-by: Glauber Costa <glommer@parallels.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1322863119-14225-2-git-send-email-glommer@parallels.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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