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Date: Tue, 24 Aug 2010 11:08:58 -0700
Message-ID: <AANLkTimRM8rDe+u7fTy853RK=1mnLJMK57Tci2OLPR7L@mail.gmail.com>
Subject: Re: [PATCH v5 3/3] cgroups: make procs file writable
From: Paul Menage <menage@google.com>
To: Ben Blum <bblum@andrew.cmu.edu>
Cc: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org,
        akpm@linux-foundation.org, ebiederm@xmission.com, lizf@cn.fujitsu.com,
        matthltc@us.ibm.com, oleg@redhat.com
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On Tue, Aug 10, 2010 at 10:48 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>
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