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From: Peter Zijlstra <peterz@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, mbligh@mbligh.org, riel@redhat.com
Subject: Re: [patch 1/1] vmscan: give referenced, active and unmapped pages a second trip around the LRU
Date: Fri, 25 May 2007 12:13:08 +0200	[thread overview]
Message-ID: <1180087988.7348.59.camel@twins> (raw)
In-Reply-To: <20070525014301.ed817a91.akpm@linux-foundation.org>

On Fri, 2007-05-25 at 01:43 -0700, Andrew Morton wrote:

> Well yeah.  I look at this patch and I can say with confidence that it will
> increase our tendency to swap and that it'll cause reclaim to scan more
> pages and that it'll increase the ease with which we declare oom.
> 
> otoh it takes us closer to the designed 4-stage page aging.  But does it
> actually make the kernel better?  Unknown and unknowable.

Ah, here I see my mistake and your confusion; I actually thought the
design mattered :-)

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  reply	other threads:[~2007-05-25 10:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-24 23:57 akpm, Andrew Morton
2007-05-25  7:02 ` Peter Zijlstra
2007-05-25  7:18   ` Andrew Morton
2007-05-25  7:23     ` Peter Zijlstra
2007-05-25  7:28       ` Andrew Morton
2007-05-25  7:36         ` Peter Zijlstra
2007-05-25  7:48           ` Andrew Morton
2007-05-25  7:51             ` Peter Zijlstra
2007-05-25  8:01               ` Andrew Morton
2007-05-25  8:35                 ` Peter Zijlstra
2007-05-25  8:43                   ` Andrew Morton
2007-05-25 10:13                     ` Peter Zijlstra [this message]
2007-05-25 14:50   ` Rik van Riel
2007-05-25 14:43 ` Rik van Riel
2007-05-25 17:20   ` Andrew Morton

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