linux-kernel - Re: [PATCH 05/17] cgroup: cgroup->dentry isn't a RCU pointer

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Message-ID: <20121114185504.GG21185@mtj.dyndns.org>
Date:	Wed, 14 Nov 2012 10:55:04 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Glauber Costa <glommer@...allels.com>
Cc:	lizefan@...wei.com, containers@...ts.linux-foundation.org,
	cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
	mhocko@...e.cz
Subject: Re: [PATCH 05/17] cgroup: cgroup->dentry isn't a RCU pointer

Hello, Glauber.

On Wed, Nov 14, 2012 at 03:05:46PM +0400, Glauber Costa wrote:
> Will memcontrol.c need similar amendments?
> 
> The code that lives in -mm and includes kmemcg includes the following
> excerpt:
> 
>         rcu_read_lock();
>         dentry = rcu_dereference(memcg->css.cgroup->dentry);
>         rcu_read_unlock();

Ooh, yeah, hmmm... that should happen after this series gets merged.
I'll mark it as pending.

Thanks.

-- 
tejun
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