Re: [PATCH 3/4] cgroup: only need to check oldcgrp==newgrp once

[Tejun Heo]

On Wed, Dec 21, 2011 at 08:18:37PM -0800, Mandeep Singh Baines wrote:
> In cgroup_attach_proc it is now sufficient to only check that
> oldcgrp==newcgrp once. Now that we are using threadgroup_lock()
> during the migrations, oldcgrp will not change.
> 
> Signed-off-by: Mandeep Singh Baines <msb@xxxxxxxxxxxx>
> Reviewed-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: containers@xxxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: cgroups@xxxxxxxxxxxxxxx
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Paul Menage <paul@xxxxxxxxxxxxxx>

Applied 1-3 to cgroup/for-3.3.  I edited out mention of check_fetched
rename in the commit description of the first patch and applied
Acked-by from Li to all three.  Li, let's stick to ack/nack.

Thanks.

-- 
tejun
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