On Mon, Aug 19, 2024 at 04:04:15PM GMT, Muchun Song wrote: > split_page_memcg() does not care about the returned memcg for kmem > pages, so folio_memcg_charged() should be used, otherwise obj_cgroup_memcg > will complain about this. Basically avoid calling folio_memcg() for folio_memcg_kmem(folio), correct? > > Reported-by: syzbot+ef4ecf7b6bdc4157bfa4@xxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Acked-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>