linux-kernel - Re: [RFC] oom-kill: give the dying task a higher priority

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Message-ID: <AANLkTinoTgYfywq1S6UV-n7npzk4xyQZ2PMT5LDkaBCQ@mail.gmail.com>
Date:	Sat, 29 May 2010 00:35:50 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"Luis Claudio R. Goncalves" <lclaudio@...g.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	balbir@...ux.vnet.ibm.com, Oleg Nesterov <oleg@...hat.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Thomas Gleixner <tglx@...utronix.de>,
	David Rientjes <rientjes@...gle.com>,
	Mel Gorman <mel@....ul.ie>, williams@...hat.com
Subject: Re: [RFC] oom-kill: give the dying task a higher priority

On Sat, May 29, 2010 at 12:21 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Sat, 2010-05-29 at 00:12 +0900, Minchan Kim wrote:
>> I think highest RT proirity ins't good solution.
>> As I mentiond, Some RT functions don't want to be preempted by other processes
>> which cause memory pressure. It makes RT task broken.
>
> All the patches I've seen use MAX_RT_PRIO-1, which is actually FIFO-1,
> which is the lowest RT priority.

Stupid me. I confused that until now.
That's exactly what I want.


-- 
Kind regards,
Minchan Kim
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