linux-kernel - Re: [PATCH] Prevent immediate process rescheduling

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Message-Id: <1253351016.7282.3.camel@marge.simson.net>
Date:	Sat, 19 Sep 2009 11:03:36 +0200
From:	Mike Galbraith <efault@....de>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Mark Langsdorf <mark.langsdorf@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Prevent immediate process rescheduling

On Sat, 2009-09-19 at 04:16 +0200, Mike Galbraith wrote:

> Sounds like Mark's case really needs a gentle_yield() that moves the
> task behind next, and slightly beyond if they are too close, but which
> also ignores the request entirely if the gap is too large.

Did that, it sucks. (not surprising really, yield _always_ sucked;)

	-Mike

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