On Tue, 10 Dec 2024, Hyeonggon Yoo wrote:
> Commit 8b8817630ae8 ("mm/migrate: make isolate_movable_page() skip slab
> pages") introduced slab checks to prevent mis-identification of slab
> pages as movable kernel pages.
>
> However, after Matthew's frozen folio series, these slab checks became
> unnecessary as the migration logic fails to increase the reference count
> for frozen slab folios. Remove these redundant slab checks and associated
> memory barriers.
>
> Signed-off-by: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
