linux-kernel - Re: [PATCH] debug cgroup: remove unneeded cgroup

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Message-ID: <49B8781C.3050609@cn.fujitsu.com>
Date:	Thu, 12 Mar 2009 10:49:00 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>
Subject: Re: [PATCH] debug cgroup: remove unneeded cgroup_lock

Paul Menage wrote:
> On Wed, Mar 11, 2009 at 6:47 PM, Li Zefan <lizf@...fujitsu.com> wrote:
>> Since we are in cgroup write handler, so the cgrp is valid, so we
>> don't have to hold cgroup_mutex when calling cgroup_task_count().
>> One similar example is in cgroup_tasks_open().
>>
>> Signed-off-by: Li Zefan <lizf@...fujitsu.com>
> 
> Acked-by: Paul Menage <menage@...gle.com>
> 
> (Although this conflicts with a patch that I'm about to send out that
> moves the code from cgroup_debug.c into cgroup.c to allow internal
> details to be reported in the debug.* files.)
> 

or let cgroup.c #include <cgroup_debug.c> ?

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