linux-kernel - Re: [PATCH] cgroup: remove hierarchy

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Message-ID: <20120607023302.GH21357@google.com>
Date:	Thu, 7 Jun 2012 11:33:02 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Li Zefan <lizefan@...wei.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH] cgroup: remove hierarchy_mutex

On Mon, Jun 04, 2012 at 02:37:06PM +0800, Li Zefan wrote:
> It was introduced for memcg to iterate cgroup hierarchy without
> holding cgroup_mutex, but soon after that it was replaced with
> a lockless way in memcg.
> 
> No one used hierarchy_mutex since that, so remove it.
> 
> Signed-off-by: Li Zefan <lizefan@...wei.com>

Applied to cgroup/for-3.6.  Thanks.

-- 
tejun
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