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From: Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
To: Alex Bligh - linux-kernel <linux-kernel@alex.org.uk>,
        Rik van Riel <riel@conectiva.com.br>
Subject: Re: [resent PATCH] Re: very slow parallel read performance
Date: Mon, 27 Aug 2001 22:03:07 +0200
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        Helge Hafting <helgehaf@idb.hist.no>, linux-kernel@vger.kernel.org
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Hi,

> Thinking about it a bit more, we also want to drop pages
> from fast streams faster, to an extent, than we drop
> them from slow streams (as well as dropping quite
> a few pages at once), as these 'cost' more to replace.

what leads you to this conclusion ?
A task that needs little time to process data it reads in is hurt much more 
by added latency due to a disk read.

	Regards
		Oliver