Commit 8a552d68a86e ("mm: memfd_luo: preserve file seals") started preserving file seals across live update and restoring them via memfd_add_seals() on retrieve, but the DOC header was not updated and still listed seals under "Non-Preserved Properties" as being unsealed on restore. Move the Seals entry to the "Preserved Properties" section and describe the actual behavior, including the MEMFD_LUO_ALL_SEALS restriction that both preserve and retrieve enforce. Fixes: 8a552d68a86e ("mm: memfd_luo: preserve file seals") Signed-off-by: David Carlier --- mm/memfd_luo.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/mm/memfd_luo.c b/mm/memfd_luo.c index f41d11053b7d..c5250f68c096 100644 --- a/mm/memfd_luo.c +++ b/mm/memfd_luo.c @@ -50,6 +50,11 @@ * memfds are always opened with ``O_RDWR`` and ``O_LARGEFILE``. This property * is maintained. * + * Seals + * File seals set on the memfd are preserved and re-applied on restore. + * Only seals known to this LUO version (see ``MEMFD_LUO_ALL_SEALS``) may + * be present; preservation fails with ``-EOPNOTSUPP`` otherwise. + * * Non-Preserved Properties * ======================== * @@ -61,10 +66,6 @@ * A memfd can be created with the ``MFD_CLOEXEC`` flag that sets the * ``FD_CLOEXEC`` on the file. This flag is not preserved and must be set * again after restore via ``fcntl()``. - * - * Seals - * File seals are not preserved. The file is unsealed on restore and if - * needed, must be sealed again via ``fcntl()``. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -- 2.53.0