From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: cgroup pids controller -- WARN_ON_ONCE triggering
Date: Tue, 8 Dec 2015 10:24:28 -0500
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To: Andy Whitcroft <apw-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
Cc: Li Zefan <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>, Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Martin Pitt <martin.pitt-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>

Hello, Andy.

On Tue, Dec 08, 2015 at 02:58:51PM +0000, Andy Whitcroft wrote:
> Converting this to a printk I was able to obtain confirmation that we are
> indeed seeing this go negative in some cases.
> 
> Reverting the above commit seems to resolve the early boot issues in
> my testing.

Fix already queued in the following git branch.  Pushing it out as we
speak.

 git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-4.4-fixes

Thanks.

-- 
tejun