On Tue, Feb 15, 2022 at 10:45:24AM -0400, Jason Gunthorpe wrote: > > 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. Yes, we'll get to it. Maybe we can do it for the non-DAX devmap ptes first given that DAX is more complicated.