On Thu, Jul 15, 2021 at 04:35:29AM +0100, Matthew Wilcox (Oracle) wrote:

Convert all callers of mem_cgroup_migrate() to call page_folio() first.
They all look like they're using head pages already, but this proves it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/memcontrol.h |  4 ++--
 mm/filemap.c               |  4 +++-
 mm/memcontrol.c            | 35 +++++++++++++++++------------------
 mm/migrate.c               |  4 +++-
 mm/shmem.c                 |  5 ++++-
 5 files changed, 29 insertions(+), 23 deletions(-)

Acked-by: Mike Rapoport <redacted>