Re: [discuss] Re: [PATCH 1/3] Zone reclaim V3: main patch

From: Christoph Lameter <clameter_at_engr.sgi.com>
Date: 2005-12-09 10:35:05
On Fri, 9 Dec 2005, Andi Kleen wrote:

> > My experience is that at 20 systems do not need zone reclaim yet.
> 
> I really cannot confirm your experience here.

Maybe the meaning of these numbers varies? I know that 10 is a local 
access but the assumption in include/linux/numa.h that 20 is a remote 
access is probably already a guess.

I know that our Altix machines seem to use 10 for a local and 20 for 
nonlocal but same box. The distances then increase from there.

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Received on Fri Dec 09 10:35:59 2005

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