On 15.07.22 17:05, Alex Sierra wrote: > With DEVICE_COHERENT, we'll soon have vm_normal_pages() return > device-managed anonymous pages that are not LRU pages. Although they > behave like normal pages for purposes of mapping in CPU page, and for > COW. They do not support LRU lists, NUMA migration or THP. > > Callers to follow_page() currently don't expect ZONE_DEVICE pages, > however, with DEVICE_COHERENT we might now return ZONE_DEVICE. Check > for ZONE_DEVICE pages in applicable users of follow_page() as well. > > Signed-off-by: Alex Sierra <[email protected]> > Acked-by: Felix Kuehling <[email protected]> (v2) > Reviewed-by: Alistair Popple <[email protected]> (v6) >
Acked-by: David Hildenbrand <[email protected]> -- Thanks, David / dhildenb
