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xen-devel
[Xen-devel] RE: xl miss the logic of memory allocation on NUMA platform
Ok, I will submit a patch later.
best regards
yang
> -----Original Message-----
> From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx]
> Sent: Thursday, July 28, 2011 7:26 PM
> To: Zhang, Yang Z
> Cc: Stefano Stabellini; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: xl miss the logic of memory allocation on NUMA platform
>
> On Thu, 28 Jul 2011, Zhang, Yang Z wrote:
> > Hi Stefano
> > In our recently experience, we found xl doesn't have the memory allocation
> logic on NUMA platform. It will allocate the memory from every node when
> creating guest:
> > (XEN) Domain 4 (total: 261112):
> > (XEN) Node 0: 64894
> > (XEN) Node 1: 65406
> > (XEN) Node 2: 65406
> > (XEN) Node 3: 65406
> >
> > For xm, it will allocate the memory on the node where the guest cpu reside:
> > 1348 (XEN) Domain 3 (total: 263160):
> > 1349 (XEN) Node 0: 0
> > 1350 (XEN) Node 1: 0
> > 1351 (XEN) Node 2: 0
> > 1352 (XEN) Node 3: 263160
> >
> > Is there a plan to add this logic to xl?
>
> I think we forgot about this feature but it is important and hopefully
> somebody
> will write a patch for it before 4.2 is out.
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