On 11 Aug 2025, at 10:39, David Hildenbrand wrote:

At this point MIGRATEPAGE_SUCCESS is misnamed for all folio users,
and now that we remove MIGRATEPAGE_UNMAP, it's really the only "success"
return value that the code uses and expects.

Let's just get rid of MIGRATEPAGE_SUCCESS completely and just use "0"
for success.

Signed-off-by: David Hildenbrand <redacted>
---
 arch/powerpc/platforms/pseries/cmm.c |  2 +-
 drivers/misc/vmw_balloon.c           |  4 +--
 drivers/virtio/virtio_balloon.c      |  2 +-
 fs/aio.c                             |  2 +-
 fs/btrfs/inode.c                     |  4 +--
 fs/hugetlbfs/inode.c                 |  4 +--
 fs/jfs/jfs_metapage.c                |  8 +++---

 include/linux/migrate.h              | 10 +------
 mm/migrate.c                         | 40 +++++++++++++---------------
 mm/migrate_device.c                  |  2 +-
 mm/zsmalloc.c                        |  4 +--
 11 files changed, 36 insertions(+), 46 deletions(-)

For the mm part, LGTM. Reviewed-by: Zi Yan [off-list ref]

Best Regards,
Yan, Zi