On 02/05/2020 18:35, Corey Minyard wrote:
On Sat, May 02, 2020 at 12:46:14PM +0100, Julien Grall wrote: No. If I am understanding this correctly, all the memory in dom0 below 1GB would have to be physically below 1GB.
Well, dom0 is directly mapped. In other word, dom0 physical address == host physical address. So if we allocate memory below 1GB in Xen, then it will mapped below 1GB on dom0 as well.
The patch I suggested would try to allocate as much as possible memory below 1GB. I believe this should do the trick for you here.
Cheers, -- Julien Grall
