From mboxrd@z Thu Jan  1 00:00:00 1970
From: Aron Griffis <aron@hp.com>
Subject: Re: [RFC] Xen NUMA strategy
Date: Wed, 19 Sep 2007 23:09:38 -0400
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To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>
Cc: Andre Przywara <andre.przywara@amd.com>, "Xu,
	Anthony" <anthony.xu@intel.com>, Akio Takebe <takebe_akio@jp.fujitsu.com>, xen-devel@lists.xensource.com
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Ian Pratt wrote:  [Tue Sep 18 2007, 04:43:24AM EDT]
> The way I see it, in most situations it will not make sense for guests
> to span NUMA nodes: you'll have a number of guests with relatively small
> numbers of vCPUs, and it probably makes sense to allow the guests to be
> pinned to nodes. What we have in Xen today works pretty well for this
> case, [snip]

One part that doesn't work well presently is memory locality.  A guest
can be pinned to a CPU but its allocated memory might be on a distant
node...

Aron