netdev - Re: [patch 1/2] cls_cgroup: remove unneeded cgroup

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Message-Id: <20090517.135856.123307111.davem@davemloft.net>
Date:	Sun, 17 May 2009 13:58:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	akpm@...ux-foundation.org
Cc:	netdev@...r.kernel.org, lizf@...fujitsu.com, lizf@...fujitsuc.com,
	menage@...gle.com
Subject: Re: [patch 1/2] cls_cgroup: remove unneeded cgroup_lock

From: akpm@...ux-foundation.org
Date: Tue, 12 May 2009 13:47:33 -0700

> From: Li Zefan <lizf@...fujitsu.com>
> 
> We can remove this lock here, since we are in cgroup write handler and
> thus the cgrp is guaranteed to be valid, and no lock is needed when
> writing a u32 variable.
> 
> Signed-off-by: Li Zefan <lizf@...fujitsuc.com>
> Acked-by: Paul Menage <menage@...gle.com>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>

Applied to net-next-2.6
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