[Devel] Re: [PATCH 1/3][V2] cgroup : add clone_children control file

[Balbir Singh]

On Mon, Sep 27, 2010 at 3:44 PM, Daniel Lezcano <daniel.lezcano at free.fr> 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 at free.fr>
> Signed-off-by: Serge E. Hallyn <serge.hallyn at canonical.com>

This feature is very useful, thanks for looking into this. The only
comment I have is that clone says, it clones values, actually it
provides the opportunity for cgroup controllers to do so or anything
else after create succeeds.

Acked-by: Balbir Singh <balbir at linux.vnet.ibm.com>
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