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

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Message-ID: <ec38985e-ab71-464a-9565-e56b99d34a05@email.android.com>
Date:	Mon, 04 Nov 2013 11:08:38 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...nel.org>, Russ Anderson <rja@....com>
CC:	Josh Boyer <jwboyer@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, prarit@...hat.com,
	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Allow NR_CPUS=1024

8192 maybe?

Ingo Molnar <mingo@...nel.org> wrote:
>
>* 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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