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Subject: Re: Rik van Riel's vm-rmap
From: Louis Garcia <louisg00@bellsouth.net>
To: Rik van Riel <riel@conectiva.com.br>
Cc: linux-kernel@vger.kernel.org
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Date: 28 Jan 2002 19:07:06 -0500
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Does this patch work well with Andrew's low-latency patch?

--Louis


On Mon, 2002-01-28 at 03:21, Rik van Riel wrote:
> On 27 Jan 2002, Louis Garcia wrote:
> 
> > Does he still use classzones as the basis for the vm? I thought that
> > linux was trying to get away from classzones for better NUMA support in
> > 2.5??
> 
> Nope.  I've done a few modifications:
> 
> 1) the IMHO inflexible classzone stuff has been removed
> 
> 2) we have reverse mappings, so we can do our pageout
>    scan by physical address
> 
> 3) this in turn means the active, inactive_dirty and
>    inactive_clean lists are per zone ... allowing us
>    to scan only in those zones where we actually need
>    to free pages
> 
> regards,
> 
> 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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