Re: [PATCH 4/4] mm/ksm: add find_mergeable_vma_locked() to use per-VMA locking

From: xu.xin16

Date: Sun Sep 13 2026 - 22:39:16 EST


> Thanks for working on this.
>
> Patch 4 addresses the mmap_lock contention problem in
> get_mergeable_page() that I reported in [1]. In that thread, David
> suggested switching to per-VMA locking [2].
>
> Could you please consider adding the following tags to the commit
> message of patch 4/4 in the next revision?
>
> Reported-by: Longlong Xia <xialonglong@xxxxxxxxxx>
> Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
>
> It would also be helpful to reference the original discussion in the
> commit message.

Of course. But the series is still under review at the moment, so let's
hold off and see what other maintainers have to say.