linux-kernel - Re: [PATCH -v3 5/5] oom, PM: make OOM detection in the freezer path raceless

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Message-ID: <20150112172251.GB22156@htj.dyndns.org>
Date:	Mon, 12 Jan 2015 12:22:51 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Michal Hocko <mhocko@...e.cz>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"\\\"Rafael J. Wysocki\\\"" <rjw@...ysocki.net>,
	David Rientjes <rientjes@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Cong Wang <xiyou.wangcong@...il.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>, linux-pm@...r.kernel.org
Subject: Re: [PATCH -v3 5/5] oom, PM: make OOM detection in the freezer path
 raceless

On Mon, Jan 12, 2015 at 05:10:11PM +0100, Michal Hocko wrote:
> Yes I had it this way but it didn't work out because thaw_kernel_threads
> is not called on the resume because it is only used as a fail
> path when kernel threads freezing fails. I would rather keep the

Ooh, that's kinda asymmetric.

> enabling/disabling points as we had them. This is less risky IMHO.

Okay, please feel free to add

 Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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