Re: [Xen-devel] [PATCH 2/4] libxc: report how much memory a domain has on each NUMA node

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Dario Faggioli writes ("Re: [Xen-devel] [PATCH 2/4] libxc: report how much 
memory a domain has on each NUMA node"):
> If something changed, then yes you're screwed, but the bottom line, I
> think is, if you think you may need the information broken down in
> nodes, use XEN_DOMCTL_domain_numainfo, which gives you that and,
> indirectly, also the total size.

But it gives you for only one domain; whereas the domain list gives
you all domains at once.

We have had problems before with toolstack memory balancing and
managemetn algorithms needing information which wasn't properly
available.  So I think I want to see an explanation how this would be
used in an actual memory balancing/assignment algorith.

Ian.

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