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From: Andi Kleen <ak@suse.de>
To: Oliver Weihe <o.weihe@deltacomputer.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Opteron 128GB NODMAPSIZE too small?
Date: Wed, 12 Apr 2006 19:46:59 +0200	[thread overview]
Message-ID: <200604121946.59895.ak@suse.de> (raw)
In-Reply-To: <7986404.1144863211340.SLOX.WebMail.wwwrun@exchange.deltacomputer.de>

On Wednesday 12 April 2006 19:33, Oliver Weihe wrote:
> While running SuSE Linux 10.0 (x86_64) with a vanilla 2.6.16.1 on an
> 8way (8 sockets) Opteron equipped with 128GB (16GB per socket) of memory
> I found this in dmesg.
> 
> Any guesses to which value I should set NODEMAPSIZE?
> Currently it is 0xfff (from 'include/asm-x86_64/mmzone.h')

0x2fff. Or update to a newer kernel - it should
have that problem fixed by finding a better hash shift that works
with a smaller table too.

-Andi

  reply	other threads:[~2006-04-12 17:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-12 17:33 Opteron 128GB NODMAPSIZE too small? Oliver Weihe
2006-04-12 17:46 ` Andi Kleen [this message]
2006-04-13 11:16   ` Oliver Weihe

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