linux-kernel - Re: [patch 00/14] VM pageout scalability improvements (V7)

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Message-ID: <20080517093522.1371a40e@bree.surriel.com>
Date:	Sat, 17 May 2008 09:35:22 -0400
From:	Rik van Riel <riel@...hat.com>
To:	MinChan Kim <minchan.kim@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lee Schermerhorn <lee.schermerhorn@...com>,
	Kosaki Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: Re: [patch 00/14] VM pageout scalability improvements (V7)

On Sat, 17 May 2008 14:51:02 +0900
MinChan Kim <minchan.kim@...il.com> wrote:
> Rik van Riel wrote:
> > On large memory systems, the VM can spend way too much time scanning
> > through pages that it cannot (or should not) evict from memory. Not
> > only does it use up CPU time, but it also provokes lock contention
> > and can leave large systems under memory presure in a catatonic state.
> > 
> > Against 2.6.25-rc2-mm1
> 
> I think it's typo error. 
> This patch is based on 2.6.26-rc2-mm1. :-)

Yeah, that was a typo.   I just inserted -rc2 after forward
porting the stuff from 2.6.25-mm1 :)

Andrew, the code is against your latest tree and has been
performance tested in a few scenarios. I believe it should
be ready to be merged now.

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