linux-kernel - Re: scheduler nice 19 versus 'idle' behavior / static low-priority scheduling

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Message-Id: <1233305747.17301.33.camel@localhost>
Date:	Fri, 30 Jan 2009 03:55:47 -0500
From:	Nathanael Hoyle <nhoyle@...letech.com>
To:	Mike Galbraith <efault@....de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: scheduler nice 19 versus 'idle' behavior / static low-priority
	scheduling

On Fri, 2009-01-30 at 09:07 +0100, Mike Galbraith wrote:
> On Fri, 2009-01-30 at 02:59 -0500, Nathanael Hoyle wrote:
> 
> > I am running foldingathome under it at the moment, and it seems to be
> > improving the situation somewhat, but I still need/want to test with
> > Mike's referenced patches.
> 
> You will most definitely encounter evilness running SCHED_IDLE tasks in
> a kernel without the SCHED_IDLE fixes.
> 
> 	-Mike
> 

Mike,

Any reason not to apply this fairly simple patch against the 2.6.27
series kernel I'm running now? Are there other relevant changes you're
aware of in the later kernel revs for this problem?

Thanks,
-Nathanael

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