On 18 Jun 2025, at 13:39, David Hildenbrand wrote:

> Let's factor it out, simplifying the calling code.
>
> The assumption is that flush_dcache_page() is not required for
> movable_ops pages: as documented for flush_dcache_folio(), it really
> only applies when the kernel wrote to pagecache pages / pages in
> highmem. movable_ops callbacks should be handling flushing
> caches if ever required.
>
> Note that we can now change folio_mapping_flags() to folio_test_anon()
> to make it clearer, because movable_ops pages will never take that path.
>
> Signed-off-by: David Hildenbrand <da...@redhat.com>
> ---
>  mm/migrate.c | 82 ++++++++++++++++++++++++++++------------------------
>  1 file changed, 45 insertions(+), 37 deletions(-)
>
LGTM. Reviewed-by: Zi Yan <z...@nvidia.com>

--
Best Regards,
Yan, Zi

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