linux-kernel - Re: [RFC][PATCH 0/2] Swap token re-tuned

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Message-Id: <1159787325.28131.144.camel@taijtu>
Date:	Mon, 02 Oct 2006 13:08:45 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	ashwin.chaugule@...unite.com
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	Rik van Riel <riel@...hat.com>
Subject: Re: [RFC][PATCH 0/2] Swap token re-tuned

On Mon, 2006-10-02 at 16:30 +0530, Ashwin Chaugule wrote:
> On Mon, 2006-10-02 at 09:35 +0200, Peter Zijlstra wrote:

> > So while I agree it would be nice to get rid of all magic variables
> > (holding time in the current impl) this proposed solution hasn't
> > convinced me (for one it introduces another).
> > 
> > (for the interrested, the various attempts I tried are available here:
> >   http://programming.kicks-ass.net/kernel-patches/swap_token/ )
> 
> Cool!
> 
> Had you applied these patches when you posted your test results ?

Only my test box ever ran them.

They are replacements for your 2nd patch, timings I got from them were
worse than with yours though, needs more attention.

A variation on 3 I have in mind is to reset the prio of the loosing mm
to 0 - this should avoid it regaining the token quickly.

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