- if (gup_flags & FOLL_LONGTERM)
- flags = memalloc_nocma_save();
-
- rc = __get_user_pages_locked(mm, start, nr_pages, pages, vmas, NULL,
- gup_flags);
+ if (!(gup_flags & FOLL_LONGTERM))
+ return __get_user_pages_locked(mm, start, nr_pages, pages, vmas,
+ NULL, gup_flags);
+ flags = memalloc_pin_save();
+ do {
+ rc = __get_user_pages_locked(mm, start, nr_pages, pages, vmas,
+ NULL, gup_flags);
+ if (rc <= 0)
+ break;
+ rc = check_and_migrate_movable_pages(rc, pages, gup_flags);
+ } while (!rc);
+ memalloc_pin_restore(flags);