On Tue, Feb 15, 2022 at 01:16:43PM +0100, David Hildenbrand wrote: > > fact, the first version of our patches attempted to add migration > > support to DEVICE_GENERIC. But we were convinced to create a new > > ZONE_DEVICE page type for our use case instead. > > Do you know if DEVICE_GENERIC pages would end up as PageAnon()? My > assumption was that they would be part of a special mapping. We need to stop using the special PTEs and VMAs for things that have a struct page. This is a mistake DAX created that must be undone. Jason
