On Tue, Jun 07, 2022 at 02:13:26PM +0800, kernel test robot wrote: > fs/hugetlbfs/inode.c: In function 'hugetlbfs_migrate_folio': > >> fs/hugetlbfs/inode.c:990:17: error: implicit declaration of function 'folio_migrate_copy' [-Werror=implicit-function-declaration] > 990 | folio_migrate_copy(dst, src); > | ^~~~~~~~~~~~~~~~~~ > >> fs/hugetlbfs/inode.c:992:17: error: implicit declaration of function 'folio_migrate_flags'; did you mean 'folio_mapping_flags'? [-Werror=implicit-function-declaration] > 992 | folio_migrate_flags(dst, src); > | ^~~~~~~~~~~~~~~~~~~ > | folio_mapping_flags > cc1: some warnings being treated as errors Thanks, fixed.