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

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Message-ID: <1275060103.27810.9651.camel@twins>
Date:	Fri, 28 May 2010 17:21:43 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Minchan Kim <minchan.kim@...il.com>
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, 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.


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