Re: [PATCH 2/7] cgroups: Allow to bind a subsystem to a cgroup hierarchy

From: Paul Menage
Date: Thu Oct 28 2010 - 19:55:45 EST


On Fri, Oct 22, 2010 at 1:09 AM, Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:
> +       /*
> +        * Indicate if this subsystem can be bound/unbound to/from a cgroup
> +        * hierarchy which has child cgroups.
> +        */
> +       unsigned int can_bind:1;

Maybe call this "bindable"?

Basic idea looks great, it could do with a bunch more comments, and
maybe locking rules.

Is there any chance of a lock inversion between dir->i_mutex and
cgroup_lock in hierarchy_popuiate_dir() ?

Paul
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