linux-kernel - Re: [PATCH 2/4] Reuse cgroup's parent pointer

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Message-Id: <20111125112940.c16a3f79.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Fri, 25 Nov 2011 11:29:40 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Glauber Costa <glommer@...allels.com>
Cc:	linux-kernel@...r.kernel.org, lizf@...fujitsu.com,
	daniel.lezcano@...e.fr, a.p.zijlstra@...llo.nl,
	jbottomley@...allels.com, pjt@...gle.com, cgroups@...r.kernel.org,
	devel@...nvz.org
Subject: Re: [PATCH 2/4] Reuse cgroup's parent pointer

On Thu, 24 Nov 2011 23:33:24 -0200
Glauber Costa <glommer@...allels.com> wrote:

> We already have a pointer to the cgroup parent (whose data is more likely
> to be in the cache than this, anyway), so there is no need to have this one
> in cpuacct.
> 
> This patch makes the underlying cgroup be used instead.
> 
> Signed-off-by: Glauber Costa <glommer@...allels.com>
> CC: Paul Tuner <pjt@...gle.com>
> CC: Peter Zijlstra <a.p.zijlstra@...llo.nl>

makes sense

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

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