Re: [Xen-devel] [Hackathon minutes] PV frontends/backends and NUMA machines

[Tim Deegan <tim@xxxxxxx>]

At 10:45 +0100 on 21 May (1369133137), George Dunlap wrote:
> What we would want for a comparable domU -- a domU that was NUMA-aware 
> -- was to have the pfn layout in batches across the nodes to which it 
> will be pinned.  E.g., if a domU has its NUMA affinity set to nodes 2-3, 
> then you'd want the first half of the pfns to come from node 2, the 
> second half from node 3.
> 
> In both cases, the domain builder will need to call the allocator with 
> specific numa nodes for specific regions of the PFN space.

Ah, so that logic lives in the tools for domU?  I was misremembering. 
Anyway, I think I'm convinced that this is a reasonable thing to do
the dom0 building code. :)

Tim.

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