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Date: Thu, 15 Sep 2011 14:09:41 -0700
From: Andrew Morton <akpm@google.com>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Paul Menage <paul@paulmenage.org>,
        Li Zefan <lizf@cn.fujitsu.com>, Johannes Weiner <hannes@cmpxchg.org>,
        Aditya Kali <adityakali@google.com>, Oleg Nesterov <oleg@redhat.com>,
        Kay Sievers <kay.sievers@vrfy.org>, Tim Hockin <thockin@hockin.org>,
        Tejun Heo <tj@kernel.org>
Subject: Re: [RFC PATCH 11/12] cgroups: Allow subsystems to cancel a fork
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On Tue,  6 Sep 2011 02:13:05 +0200
Frederic Weisbecker <fweisbec@gmail.com> wrote:

> Let the subsystem's fork callback return an error value so
> that they can cancel a fork. This is going to be used by
> the task counter subsystem to implement the limit.

This breaks the build quite gruesomely with CONFIG_CGROUPS=n.  I looked
at doing a quick fix but that would just have piled ugly on ugly.