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Date: Thu, 7 Feb 2002 12:55:20 -0200 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
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To: Daniel Phillips <phillips@bonn-fries.net>
Cc: Ulrich Weigand <Ulrich.Weigand@de.ibm.com>, <zaitcev@redhat.com>,
        <linux-kernel@vger.kernel.org>
Subject: Re: The IBM order relaxation patch
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On Thu, 7 Feb 2002, Daniel Phillips wrote:

> > This looks hard to fix with the current mm layer.  Maybe Rik's
> > rmap method could help here, because with reverse mappings we
> > can at least try to free adjacent areas (because we then at least
> > *know* who's using the pages).
>
> Yes, that's one of leading reasons for wanting rmap.  (Number one and
> two reasons are: allow forcible unmapping of multiply referenced pages
> for swapout; get more reliable hardware ref bit readings.)

It's still on my TODO list.  Patches are very much welcome
though ;)

Rik
-- 
"Linux holds advantages over the single-vendor commercial OS"
    -- Microsoft's "Competing with Linux" document

http://www.surriel.com/		http://distro.conectiva.com/

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