Re: [PATCH v5 1/6] mm:/Kconfig changes for migrate on fault for device pages
From: David Hildenbrand (Arm)
Date: Tue Mar 17 2026 - 04:34:21 EST
On 2/11/26 09:12, mpenttil@xxxxxxxxxx wrote:
> From: Mika Penttilä <mpenttil@xxxxxxxxxx>
>
> With the unified HMM/migrate_device page table walk
> migrate_device needs HMM enabled and HMM needs
> MMU notifiers. Enable them explicitly to avoid
> breaking random configs.
>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: David Hildenbrand <david@xxxxxxxxxx>
> Cc: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
> Cc: "Liam R. Howlett" <Liam.Howlett@xxxxxxxxxx>
> Cc: Vlastimil Babka <vbabka@xxxxxxx>
> Cc: Mike Rapoport <rppt@xxxxxxxxxx>
> Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxx>
> Signed-off-by: Mika Penttilä <mpenttil@xxxxxxxxxx>
> ---
Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
--
Cheers,
David