On Thu, Feb 01, 2018 at 02:48:20PM +0200, Michael S. Tsirkin wrote:
> > > > > PFN is GPA>>12. Do you have more than 1<<44 bytes of memory in this
> > > > > VM then?
> > > >
> > > > No. But isn't it still not good to drop the page at offset zero (and
> > > > drop it NNN times)?
> > >
> > > Absolutely - looks like a bug. I just don't know why does this happen.
> > IMHO if we are using a PFN array like this:
> > u64 pfn_array;
> > In the windows guest driver, then we'll see this (as mentioned
> > above). But for sure this is wild guess of mine.
> I don't see code like this anywhere in the windows balloon
> driver. It's here:
Thanks for the pointer. I had a quick glance, the PFN array is
But I don't know what's sizeof(PPFN_NUMBER). :(