Re: Opteron 128GB NODMAPSIZE too small?

[Andi Kleen]

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
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