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From: Ingo Molnar <mingo@elte.hu>
To: Con Kolivas <kernel@kolivas.org>
Cc: linux <linux-kernel@vger.kernel.org>, Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] remove interactive credit
Date: Tue, 2 Nov 2004 13:46:48 +0100	[thread overview]
Message-ID: <20041102124648.GF15290@elte.hu> (raw)
In-Reply-To: <41878057.9000302@kolivas.org>


* Con Kolivas <kernel@kolivas.org> wrote:

> >>remove interactive credit
> >
> >we could try this in -mm, but it obviously needs alot of testing first. 
> >Do you have any particular workload in mind where the fairness win due
> >to this revert would/should be significant?
> 
> Since I created this variable in the first place I can say with quite
> some certainty that the size of the advantage is miniscule. Whereas
> clearly the design introduces special case mistreatment of only one
> type of task. It's an addition to the interactivity code I've often
> looked at and regretted doing.

yeah, i know, it was the only piece of code from your earlier -Oint
scheduler-fixup series i almost didnt ack. But now it's in and testing
needs to cross at least one stable kernel boundary before it can be
taken out again. (unless a patch is an obvious or important fix.)

	Ingo

  reply	other threads:[~2004-11-02 12:47 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-02  4:06 [PATCH] remove interactive credit Con Kolivas
2004-11-02 12:30 ` Nick Piggin
2004-11-03 22:24   ` Bill Davidsen
2004-11-02 12:37 ` Ingo Molnar
2004-11-02 12:40   ` Con Kolivas
2004-11-02 12:46     ` Ingo Molnar [this message]
2004-11-02 12:49       ` Con Kolivas
2004-11-02 12:59         ` Ingo Molnar

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