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SubjectRe: How many pentium-3 processors does SMP support?
On Tue, Jul 10, 2001 at 04:19:43PM +0200, Christoph Hellwig wrote:

The number of CPUs is currently globally limited to 32 by NR_CPUS in
include/linux/threads.h.

Really?

<pause>

Ah, so it is... yes, making this architecture dependant might be a
good idea. Large PPC and MIPS boxen need to adjust this already. Also,
someone did a starfire port, I think that had 64 processors, not sure.

You can. But you cannot buy 32-processor PII (-Xeon) systems that are
supported by Linux.

What is the limit here? The 8/16 way SE chipsets?

> In anyone from Compaq is reading this, you should send me a 32-way
> Xeon ASAP just to prove they really work :)

It doesn't.

Oh, then they definately need to send me one.

Are these not MP1.4 based? Something different?



--cw
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