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Message-ID: <b14e81f00707251528i275b0f6by235acce2d5b83473@mail.gmail.com>
Date:	Wed, 25 Jul 2007 18:28:46 -0400
From:	"Michael Chang" <thenewme91@...il.com>
To:	"Paul Jackson" <pj@....com>
Cc:	"Ingo Molnar" <mingo@...e.hu>, david@...g.hm,
	nickpiggin@...oo.com.au, Valdis.Kletnieks@...edu,
	ray-lk@...rabbit.org, jesper.juhl@...il.com,
	linux-kernel@...r.kernel.org, ck@....kolivas.org,
	linux-mm@...ck.org, akpm@...ux-foundation.org,
	rene.herman@...il.com
Subject: Re: [ck] Re: -mm merge plans for 2.6.23

On 7/25/07, Paul Jackson <pj@....com> wrote:
> Question:
>   Could those who have found this prefetch helps them alot say how
>   many disks they have?  In particular, is their swap on the same
>   disk spindle as their root and user files?

I have found that swap prefetch helped on all of the four machines
machine I have, although the effect is more noticeable on machines
with slower disks. They all have one hard disk, and root and swap were
always on the same disk. I have no idea how to determine how many disk
spindles they have, but since the drives are mainly low-end consumer
models sold with low-end sub $500 PCs...

-- 
Michael Chang

Please avoid sending me Word or PowerPoint attachments. Send me ODT,
RTF, or HTML instead.
See http://www.gnu.org/philosophy/no-word-attachments.html
Thank you.
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