RE: [Xen-devel] map memory holes with same page

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> 
> On 21/05/2011 10:41, "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
wrote:
> 
> > I think I asked this a while back already, but is it possible to map
the
> > same page of memory to multiple pfn's in a HVM DomU? That would
resolve
> > the problems that occur when Windows hibernates my ballooned out
> > memory...
> 
> I'm pretty sure it's not currently possible, but might not be hard to
add
> support for it. Tim will know better than me.
> 

I think that was the answer last time :)

Should there be a performance impact if Windows tries to touch a page
that I have previously given pack with decrease_reservation? Will that
invoke the PoD sweep?

James

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