linux-kernel - Re: [PATCH] x86: Allow NR

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Message-ID: <20131104174841.GA19498@gmail.com>
Date:	Mon, 4 Nov 2013 18:48:41 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Russ Anderson <rja@....com>
Cc:	Josh Boyer <jwboyer@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, prarit@...hat.com,
	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Allow NR_CPUS=1024


* Russ Anderson <rja@....com> wrote:

> > Russ, does SGI (or anyone else that you know of) have x86 hardware 
> > with more than 4096 CPUs?
> 
> Yes.  We have a system in the lab with 254 12-core IVB sockets for a 
> total of 3048 cores.  With HT is it 6096 cpus.

It would then be nice to up MAXSMP to 6144 or so.

Thanks,

	Ingo
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