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

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Message-ID: <20150112173515.GF4877@dhcp22.suse.cz>
Date:	Mon, 12 Jan 2015 18:35:15 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	Tejun Heo <tj@...nel.org>
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 12-01-15 12:22:51, Tejun Heo wrote:
> 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!
-- 
Michal Hocko
SUSE Labs
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