[PATCH v1 2/2] treewide: remove MIGRATEPAGE_SUCCESS

[Zi Yan]

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 <david at redhat.com>
> ---
>  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 <ziy at nvidia.com>

Best Regards,
Yan, Zi