Re: [PATCH] mm: kfence: fix PG_slab and memcg_data clearing

[Andrew Morton]

On Mon, 20 Mar 2023 11:00:59 +0800 Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote:

> It does not reset PG_slab and memcg_data when KFENCE fails to initialize
> kfence pool at runtime. It is reporting a "Bad page state" message when
> kfence pool is freed to buddy. The checking of whether it is a compound
> head page seems unnecessary sicne we already guarantee this when allocating
> kfence pool, removing the check to simplify the code.
> 
> Fixes: 0ce20dd84089 ("mm: add Kernel Electric-Fence infrastructure")
> Fixes: 8f0b36497303 ("mm: kfence: fix objcgs vector allocation")
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

I'm not sure how the -stable maintainers are to handle two Fixes: tags.
Can we narrow it down to one please?  I assume 8f0b36497303 triggered
the bad_page() warning?