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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next prev parent 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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