Re: [PATCH v3 03/12] mm/huge_memory: move THP gfp limit helper into header

[Chris Li]

On Tue, Apr 21, 2026 at 8:16 AM Kairui Song via B4 Relay
<devnull+kasong.tencent.com@xxxxxxxxxx> wrote:
>
> From: Kairui Song <kasong@xxxxxxxxxxx>
>
> Shmem has some special requirements for THP GFP and has to limit it in
> certain zones or provide a more lenient fallback.
>
> We'll use this helper for generic swap THP allocation, which needs to
> support shmem. For a typical GFP_HIGHUSER_MOVABLE swap-in, this helper
> is basically a no-op. But it's necessary for certain shmem users, mostly
> drivers.
>
> No feature change.
>
> Signed-off-by: Kairui Song <kasong@xxxxxxxxxxx>


Acked-by: Chris Li <chrisl@xxxxxxxxxx>

Chris