On 12/10/24 13:48, 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> Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx> Thanks!