On 5/14/23 3:26 PM, Lorenzo Stoakes wrote: > Now that the GUP explicitly checks FOLL_LONGTERM pin_user_pages() for > broken file-backed mappings in "mm/gup: disallow FOLL_LONGTERM GUP-nonfast > writing to file-backed mappings", there is no need to explicitly check VMAs > for this condition, so simply remove this logic from io_uring altogether. Don't have the prerequisite patch handy (not in mainline yet), but if it just moves the check, then: Reviewed-by: Jens Axboe <axboe@xxxxxxxxx> -- Jens Axboe
