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Re: kswapd @ 60-80% CPU during heavy HD i/o.

To: riel@nl.linux.org
Subject: Re: kswapd @ 60-80% CPU during heavy HD i/o.
From: "Stephen C. Tweedie" <sct@redhat.com>
Date: Tue, 2 May 2000 22:14:05 +0100
Cc: Andrea Arcangeli <andrea@suse.de>, Roger Larsson <roger.larsson@norran.net>, linux-kernel@vger.rutgers.edu, linux-mm@kvack.org
In-Reply-To: <Pine.LNX.4.21.0005021405030.10610-100000@duckman.conectiva>; from riel@conectiva.com.br on Tue, May 02, 2000 at 02:06:20PM -0300
References: <Pine.LNX.4.21.0005021818070.1919-100000@alpha.random> <Pine.LNX.4.21.0005021405030.10610-100000@duckman.conectiva>
Sender: owner-linux-mm@kvack.org

Hi,

On Tue, May 02, 2000 at 02:06:20PM -0300, Rik van Riel wrote:
> > do the smart things I was mentining some day ago in linux-mm
> > with NUMA.
> 
> How do you want to take care of global page balancing with
> this "optimisation"?

You don't.  With NUMA, the memory is inherently unbalanced, and you
don't want the allocator to smooth over the different nodes.

--Stephen
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Follow-Ups:
- Re: kswapd @ 60-80% CPU during heavy HD i/o.
  - From: Rik van Riel <riel@conectiva.com.br>

References:
- Re: kswapd @ 60-80% CPU during heavy HD i/o.
  - From: Andrea Arcangeli <andrea@suse.de>
- Re: kswapd @ 60-80% CPU during heavy HD i/o.
  - From: Rik van Riel <riel@conectiva.com.br>
- Re: kswapd @ 60-80% CPU during heavy HD i/o.
  - From: Rik van Riel <riel@conectiva.com.br>

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