On Thu, Jan 27, 2022 at 02:32:58PM -0800, Andrew Morton wrote: > On Wed, 26 Jan 2022 21:09:39 -0600 Alex Sierra <alex.sie...@amd.com> wrote: > > > This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory > > owned by a device that can be mapped into CPU page tables like > > MEMORY_DEVICE_GENERIC and can also be migrated like > > MEMORY_DEVICE_PRIVATE. > > Some more reviewer input appears to be desirable here. > > I was going to tentatively add it to -mm and -next, but problems. > 5.17-rc1's mm/migrate.c:migrate_vma_check_page() is rather different > from the tree you patched. Please redo, refresh and resend?
I really hate adding more types with the weird one off page refcount. We need to clean that mess up first.
