linux-kernel - Re: [patch 00/19] VM pageout scalability improvements

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Message-ID: <170fa0d20801092039w22584e2fw6821e70157f55cae@mail.gmail.com>
Date:	Wed, 9 Jan 2008 23:39:02 -0500
From:	"Mike Snitzer" <snitzer@...il.com>
To:	"Rik van Riel" <riel@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [patch 00/19] VM pageout scalability improvements

On Jan 8, 2008 3:59 PM, Rik van Riel <riel@...hat.com> 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 2.6.24-rc6-mm1

Hi Rik,

How much trouble am I asking for if I were to try to get your patchset
to fly on a fairly recent "stable" kernel (e.g. 2.6.22.15)?  If
workable, is such an effort before it's time relative to your TODO?

I see that you have an old port to a FC7-based 2.6.21 here:
http://people.redhat.com/riel/vmsplit/

Also, do you have a public git repo that you regularly publish to for
this patchset?  If not a git repo do you put the raw patchset on some
http/ftp server?

thanks,
Mike
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