Re: [Xen-devel] [PATCH v3 8/8] xen: arm: allocate more than one bank for 1:1 domain 0 if needed

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-06-27 at 14:04 +0100, Julien Grall wrote:
> 
> On 27/06/14 14:01, Ian Campbell wrote:
> >> Futhermore, it looks like we always allocate memory from the top of this
> >> zone. Is it normal?
> >
> > Normal behaviour is to allocate from as high as possible so I'm not
> > surprised that applies with a zone as well.
> 
> For DOM0 bank allocation, shouldn't we try to allocate as lower as 
> possible? If not, we may not be able to create a second bank for dom0.

The loop over bits is supposed to help there, but it's not as effective
with higher addresses I suppose.

We'd need a new flag fore the allocate. Which is doable I guess. I'll
give it a try.

Ian.





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