On Tue, May 09, 2023 at 09:43:47PM -0700, Hugh Dickins wrote: > In rare transient cases, not yet made possible, pte_offset_map() and > pte_offset_map_lock() may not find a page table: handle appropriately. > > Signed-off-by: Hugh Dickins <hughd at google.com> Acked-by: Catalin Marinas <catalin.marinas at arm.com>