linux-kernel - Re: [PATCH 5/8] Changes css_set freeing mechanism to be under RCU

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Message-ID: <4A8CB717.7000804@cn.fujitsu.com>
Date:	Thu, 20 Aug 2009 10:38:15 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Paul Menage <menage@...gle.com>
CC:	akpm@...ux-foundation.org, bblum@...rew.cmu.edu,
	linux-kernel@...r.kernel.org, containers@...ts.linux-foundation.org
Subject: Re: [PATCH 5/8] Changes css_set freeing mechanism to be under RCU

07:58, Paul Menage wrote:
> From: Ben Blum <bblum@...gle.com>
> 
> 
> Changes css_set freeing mechanism to be under RCU
> 
> This is a prepatch for making the procs file writable. In order to free the
> old css_sets for each task to be moved as they're being moved, the freeing
> mechanism must be RCU-protected, or else we would have to have a call to
> synchronize_rcu() for each task before freeing its old css_set.
> 
> Signed-off-by: Ben Blum <bblum@...gle.com>
> Signed-off-by: Paul Menage <menage@...gle.com>
> 

Acked-by: Li Zefan <lizf@...fujitsu.com>

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