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Date: Wed, 31 Jul 2013 07:35:18 -0400
From: Tejun Heo <tj@kernel.org>
To: Li Zefan <lizefan@huawei.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Cgroups <cgroups@vger.kernel.org>
Subject: Re: [PATCH 4/7] cgroup: rename cgroup_pidlist->mutex
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On Wed, Jul 31, 2013 at 04:17:28PM +0800, Li Zefan wrote:
> It's a semaphore not a mutex.

It's not even a normal semaphore.  Maybe naming it rwsem is better?

Thanks.

-- 
tejun