Re: [PATCH] mm: kmem: fix split_page_memcg()

[Shakeel Butt]

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>