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DateWed, 26 Mar 2008 07:19:25 +0100
FromIngo Molnar <>
SubjectRe: [PATCH 0/2] NR_CPUS: increase maximum NR_CPUS to 4096
* Mike Travis <travis@sgi.com> wrote:

> Increases the limit of NR_CPUS to 4096 and introduces a boolean called 
> "MAXSMP" which when set (e.g. "allyesconfig") will set NR_CPUS = 4096 
> and NODES_SHIFT = 9 (512).
> 
> I've been running this config (4k NR_CPUS, 512 Max Nodes) on an AMD 
> box with 2 dual-cores and 4gb memory.  I've also successfully booted 
> it in a simulated 2cpus/1Gb environment.

cool!

this depends on the cpumask changes to work correctly (i.e. to boot at 
all), right?

	Ingo


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