Date: Tue, 29 Mar 2011 16:39:17 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Paul Menage <menage@google.com>
Cc: Ben Blum <bblum@andrew.cmu.edu>, linux-kernel@vger.kernel.org,
        containers@lists.linux-foundation.org, ebiederm@xmission.com,
        lizf@cn.fujitsu.com, matthltc@us.ibm.com, oleg@redhat.com,
        David Rientjes <rientjes@google.com>, Miao Xie <miaox@cn.fujitsu.com>
Subject: Re: [PATCH v8.5 3/3] cgroups: make procs file writable
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On Tue, 29 Mar 2011 16:27:19 -0700
Paul Menage <menage@google.com> wrote:

> On Mon, Mar 21, 2011 at 10:18 PM, Ben Blum <bblum@andrew.cmu.edu> wrote:
> > Makes procs file writable to move all threads by tgid at once
> >
> > From: Ben Blum <bblum@andrew.cmu.edu>
> >
> > This patch adds functionality that enables users to move all threads in a
> > threadgroup at once to a cgroup by writing the tgid to the 'cgroup.procs'
> > file. This current implementation makes use of a per-threadgroup rwsem that's
> > taken for reading in the fork() path to prevent newly forking threads within
> > the threadgroup from "escaping" while the move is in progress.
> >
> > Signed-off-by: Ben Blum <bblum@andrew.cmu.edu>
> 
> Reviewed-by: Paul Menage <menage@google.com>
> 
> OK, I guess this is ready to go in :-)

It all needs a refresh, retest and resend please.
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