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Date: Sat, 16 Aug 2014 08:20:28 -0400
From: Tejun Heo <tj@kernel.org>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: linux-kernel@vger.kernel.org, David Rientjes <rientjes@google.com>,
        Michal Hocko <mhocko@suse.cz>, "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [Patch v3 1/2] freezer: check OOM kill while being frozen
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On Thu, Aug 14, 2014 at 02:15:25PM -0700, Cong Wang wrote:
> +static bool should_thaw_current(bool check_kthr_stop)
> +{
> +	if (!freezing(current) ||
> +	    (check_kthr_stop && kthread_should_stop()) ||
> +	    test_thread_flag(TIF_MEMDIE))
> +		return true;
> +	else
> +		return false;
> +}

I'm not sure this is safe w.r.t. hibernation.  Please cc Rafael on
freezer related changes.

Thanks.

-- 
tejun