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Date: Tue, 24 Jul 2001 08:38:09 -0400
From: jlnance@intrex.net
To: linux-kernel@vger.kernel.org
Subject: Re: [RFC] Optimization for use-once pages
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In-Reply-To: <01072405473005.00301@starship>; from phillips@bonn-fries.net on Tue, Jul 24, 2001 at 05:47:30AM +0200
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On Tue, Jul 24, 2001 at 05:47:30AM +0200, Daniel Phillips wrote:

> So I decided to look for a new way of approaching the use-once problem 
> that would easily integrated with our current approach.   What I came 
> up with is pretty simple: instead of starting a newly allocated page on 
> the active ring, I start it on the inactive queue with an age of zero. 
> Then, any time generic_file_read or write references a page, if its 
> age is zero, set its age to START_AGE and mark it as unreferenced.

This is wonderfully simple and ellegant.

Jim
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