Re: [PATCH 1/3] cgroup : add clone_children control file

From: Li Zefan
Date: Tue Aug 03 2010 - 04:26:17 EST


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@xxxxxxx>
> Signed-off-by: Serge E. Hallyn <serge.hallyn@xxxxxxxxxxxxx>
> Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
> Cc: Paul Menage <menage@xxxxxxxxxx>

Reviewed-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
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