Re: [PATCH V15 1/6] mm: softdirty: Add pgtable_supports_soft_dirty()

From: Andrew Morton

Date: Fri Nov 21 2025 - 13:36:37 EST


On Fri, 21 Nov 2025 16:57:17 +0000 Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> wrote:

> This breaks the VMA tests. Don't worry it's not exactly an obvious thing.
>
> You can test this via:
>
> $ cd tools/testing/vma
> $ make && ./vma
>
> (Currently we also have another breakage too which I'll chase up separately.)
>
> Andrew - Could we simply apply the attached fix-patch?
>
> I know this is in mm-stable now so ugh maybe we'll have some commits where VMA
> tests are broken (not nice for bisection), but anyway we need to fix this even
> so even if it has to be a follow up patch.

"mm: softdirty: add pgtable_supports_soft_dirty()" is still in
mm-unstable so all is good.