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Date: Tue, 19 Nov 2002 21:52:02 +1100
From: Nick Piggin <piggin@cyberone.com.au>
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To: Andrew Morton <akpm@digeo.com>
CC: lkml <linux-kernel@vger.kernel.org>, linux-mm@kvack.org,
       Jens Axboe <axboe@suse.de>
Subject: Re: 2.5.48-mm1
References: <3DDA0153.A1971C76@digeo.com>
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Andrew Morton wrote:

>url: http://www.zip.com.au/~akpm/linux/patches/2.5/2.5.48/2.5.48-mm1/
>
snip

>
>
>Since 2.5.47-mm3:
>
snip

>+np-deadline.patch
>
> Deadline scheduler work from Nick Piggin
>
snip

This may degrade IO read latency a little bit and will
still be suboptimal when there are both read and write
requests outstanding for some io patterns (no worse than
47-mm3). Jens and I have been making progress here however.

Nick