On Wed, Feb 09, 2022 at 08:29:56AM -0400, Jason Gunthorpe wrote: > It is nice, but the other series are still impacted by the fsdax mess > - they still stuff pages into ptes without proper refcounts and have > to carry nonsense to dance around this problem. > > I certainly would be unhappy if the amd driver, for instance, gained > the fsdax problem as well and started pushing 4k pages into PMDs. As said before: I think this all needs to be fixed. But I'd rather fix it gradually and I think this series is a nice step forward. After that we can look at the pte mappings.