Re: [PATCH v3 1/5] mm: Make per-VMA locks available universally

On Mon, Aug 3, 2026 at 12:34=E2=80=AFPM Jann Horn <[email protected]> wrote:
>
> On Sun, Aug 2, 2026 at 11:55=E2=80=AFPM Suren Baghdasaryan <surenb@google=
.com> wrote:
> > The per-VMA locks have been around for several years. They've had some
> > bugs worked out of them and have seen quite wide use. However, they
> > are still only available when architectures explicitly enable them.
> > Remove the conditional compilation around the per-VMA locks, making
> > them available on all architectures and configs.
>
> Reviewed-by: Jann Horn <[email protected]>
>
> I've grepped around in arch-specific code in the architectures that
> weren't already opted in to look for stuff that takes the mmap lock in
> write mode and manually mutates VMAs, and couldn't find anything, so I
> think this is correct.

Thanks Jann!