linux-kernel - Re: [patch 2/2] enables booting a NUMA system where some nodes have no memory

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Message-ID: <Pine.LNX.4.64.0611151645500.24457@schroedinger.engr.sgi.com>
Date:	Wed, 15 Nov 2006 16:46:22 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Jesper Juhl <jesper.juhl@...il.com>
cc:	Martin Bligh <mbligh@...igh.org>,
	Christian Krafft <krafft@...ibm.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 2/2] enables booting a NUMA system where some nodes have
 no memory

On Thu, 16 Nov 2006, Jesper Juhl wrote:

> What about SMP Opteron boards that have RAM slots for each CPU?
> With two (or more) CPU's and only memory slots populated for one of
> them, wouldn't that count as multiple NUMA nodes but only one of them
> with memory?
> That would seem to be a pretty common thing that could happen.

I think so far we have handled these as two processors on one node.

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