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Date: Wed, 13 May 2015 09:54:38 -0400
From: Tejun Heo <tj@kernel.org>
Subject: Re: [RFC PATCH] PM, freezer: Don't thaw when it's intended frozen
 processes
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To: Kyungmin Park <kmpark@infradead.org>
Cc: linux-mm <linux-mm@kvack.org>, Andrew Morton <akpm@linux-foundation.org>, "\\Rafael J. Wysocki\\" <rjw@rjwysocki.net>, David Rientjes <rientjes@google.com>, Johannes Weiner <hannes@cmpxchg.org>, Oleg Nesterov <oleg@redhat.com>, Cong Wang <xiyou.wangcong@gmail.com>, LKML <linux-kernel@vger.kernel.org>, Linux PM list <linux-pm@vger.kernel.org>

On Wed, May 13, 2015 at 09:42:47AM +0900, Kyungmin Park wrote:
> Right, it's still in freezer, just one time scheduling is happened.
> and enter freeze state again.
> 
> do you think can we avoid it or it's sub-optimal to do as patch?

I mean, it's suboptimal.  I'm not sure it actually matters tho.  If it
matters, please feel free to submit a patch with proper rationale.
Please just be careful so that we don't miss sending out wakeup in
case we race against thawing.

Thanks.

-- 
tejun

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