Subject: Re: NetBSD on RiscPC Kinetic Card
To: David Brownlee <abs@netbsd.org>
From: Ignatios Souvatzis <ignatios@cs.uni-bonn.de>
List: port-arm32
Date: 06/28/2000 11:54:46
On Wed, Jun 28, 2000 at 10:35:03AM +0100, David Brownlee wrote:
> On Mon, 26 Jun 2000, Ignatios Souvatzis wrote:
> 
> > On Mon, Jun 26, 2000 at 12:31:59PM +0100, David Brownlee wrote:
> > 
> > > 	In addition to the very sage answers from people with respect
> > > 	to kernel/cache page usage, NetBSD also supports multiple free
> > > 	page lists, which is already used on mvme68k to prefer local
> > > 	memory over vmebus memory for more frequently accessed pages...
> > > 	The buffercache might be a good user of the slower memory? :)
> > 
> > I'm not convinced of this. Especially not in the near future, when UBC is
> > will be integrated.
> 
> 	After that point what would be the best approach to handling
> 	memory of different speeds? (I'd imagine this would also be
> 	an issue for the amiga port :)

Dont know.

Provide memory priorities, as you can already, probably, and ignore memory
that is much too slow. e.g., on A3000 and A4000 Z2 memory should be completely
ignored ;-)

Regards,
	-is

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