Re: [PATCH v4 12/17] mm: remember exclusively mapped anonymous pages with PG_anon_exclusive

Andrew Morton
2022-04-29T18:27:06Z

On Thu, 28 Apr 2022 10:34:36 +0200 David Hildenbrand <david@redhat.com> wrote:

> Let's mark exclusively mapped anonymous pages with PG_anon_exclusive as
> exclusive, and use that information to make GUP pins reliable and stay
> consistent with the page mapped into the page table even if the
> page table entry gets write-protected.

No reviewers on this one?