linux-kernel - Re: [PATCH 1/3] cgroup : add clone

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Message-ID: <4C57D3BB.5020309@cn.fujitsu.com>
Date:	Tue, 03 Aug 2010 16:30:51 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	"Serge E. Hallyn" <serge.hallyn@...onical.com>
CC:	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org,
	Daniel Lezcano <daniel.lezcano@...e.fr>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Paul Menage <menage@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/3] cgroup : add clone_children control file

Cc: Andrew Morton (to pick up those patches)

Serge E. Hallyn wrote:
> This patch is sent as an answer to a previous thread around the ns_cgroup.
> 
> https://lists.linux-foundation.org/pipermail/containers/2009-June/018627.html
> 
> It adds a control file 'clone_children' for a cgroup.
> This control file is a boolean specifying if the child cgroup should
> be a clone of the parent cgroup or not. The default value is 'false'.
> 
> This flag makes the child cgroup to call the post_clone callback of all
> the subsystem, if it is available.
> 
> At present, the cpuset is the only one which had implemented the post_clone
> callback.
> 
> The option can be set at mount time by specifying the 'clone_children' mount
> option.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...e.fr>
> Signed-off-by: Serge E. Hallyn <serge.hallyn@...onical.com>
> Cc: Eric W. Biederman <ebiederm@...ssion.com>
> Cc: Paul Menage <menage@...gle.com>

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