From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <Ian.Campbell@citrix.com>
Subject: Re: [PATCH v4 17/21] libxl: disallow memory relocation
 when vNUMA is enabled
Date: Wed, 28 Jan 2015 16:41:11 +0000
Message-ID: <1422463271.5187.63.camel@citrix.com>
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To: Wei Liu <wei.liu2@citrix.com>
Cc: ufimtseva@gmail.com, andrew.cooper3@citrix.com, dario.faggioli@citrix.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org, JBeulich@suse.com
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On Fri, 2015-01-23 at 11:13 +0000, Wei Liu wrote:
> Disallow memory relocation when vNUMA is enabled, because relocated
> memory ends up off node. Further more, even if we dynamically expand
> node coverage in hvmloader, low memory and high memory may reside
> in different physical nodes, blindly relocating low memory to high
> memory gives us a sub-optimal configuration.

What are the downsides of doing this? Less flexible PCI passthrough/MMIO
hole sizing I think? Anything else?

Does some user doc somewhere need this adding?

(and now I think of it, the PoD vs. vnuma one too).

Ian.