Re: [PATCH 2/4] mm: thp: introduce folio_split_queue_lock and its variants

[David Hildenbrand]

On 19.09.25 05:46, Qi Zheng wrote:
> From: Muchun Song <songmuchun@xxxxxxxxxxxxx>
>
> In future memcg removal, the binding between a folio and a memcg may
> change, making the split lock within the memcg unstable when held.
>
> A new approach is required to reparent the split queue to its parent. This
> patch starts introducing a unified way to acquire the split lock for
> future work.
>
> It's a code-only refactoring with no functional changes.
>
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
> Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
> ---

Looks sane, I assume the build issue is easily fixed

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers

David / dhildenb