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Re: [Xen-devel] Xen balloon driver improvement (version 1)

On Fri, Oct 24, 2014 at 03:54:22PM +0200, Dario Faggioli wrote:
> On Wed, 2014-10-22 at 17:29 +0100, Wei Liu wrote:
> > Hi all
> > 
> > This is my initial design to improve Xen balloon driver.
> > 
> > PDF version with graphs can be found at
> > 
> > http://xenbits.xen.org/people/liuw/xen-balloon-driver-improvement.pdf
> > 
> Just FYI, there's a "NUMA angle" of the whole balloon driver improvement
> process, the bulk of which is how to make the balloon driver (v-)NUMA
> aware.
> Some (quite interesting, actually) discussion on that happened already,
> and can be found on this message, and in the subthread it generated:
>   http://lists.xen.org/archives/html/xen-devel/2013-08/msg01691.html
> It's probably something almost completely orthogonal to what's discussed
> here, and, more important, vNUMA topology support in the guest is a
> pre-requisite for that but, especially considering you've been involved
> in vNUMA too, I thought I would at least mention it. :-)

Thanks for the pointer.

This is indeed orthogonal to vNUMA. The only connection that I can think
of is the exchange operation should consider the node mapping as well.
This should be easy once necessary information is in place.

I will mention vNUMA in later version.


> Regards,
> Dario
> -- 
> <<This happens because I choose it to happen!>> (Raistlin Majere)
> -----------------------------------------------------------------
> Dario Faggioli, Ph.D, http://about.me/dario.faggioli
> Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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