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Message-ID: <ddd6f2a0-4855-40b1-9e08-8156fa9500b7@redhat.com> Date: Mon, 20 Oct 2025 16:18:43 +0200 From: David Hildenbrand <david@...hat.com> To: Peter Xu <peterx@...hat.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org Cc: Mike Rapoport <rppt@...nel.org>, Muchun Song <muchun.song@...ux.dev>, Nikita Kalyazin <kalyazin@...zon.com>, Vlastimil Babka <vbabka@...e.cz>, Axel Rasmussen <axelrasmussen@...gle.com>, Andrew Morton <akpm@...ux-foundation.org>, James Houghton <jthoughton@...gle.com>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, Hugh Dickins <hughd@...gle.com>, Michal Hocko <mhocko@...e.com>, Ujwal Kundur <ujwal.kundur@...il.com>, "Liam R . Howlett" <Liam.Howlett@...cle.com>, Oscar Salvador <osalvador@...e.de>, Suren Baghdasaryan <surenb@...gle.com>, Andrea Arcangeli <aarcange@...hat.com> Subject: Re: [PATCH v4 2/4] mm/shmem: Support vm_uffd_ops API On 15.10.25 01:14, Peter Xu wrote: > Add support for the new vm_uffd_ops API for shmem. Note that this only > introduces the support, the API is not yet used by core mm. > > It only needs a separate minor_get_folio() definition but that's oneliner. > > Due to the limitation of the current vm_uffd_ops on MISSING mode support, > the shmem UFFDIO_COPY/ZEROPAGE process are still hard-coded in mm/. > > Cc: Hugh Dickins <hughd@...gle.com> > Acked-by: Mike Rapoport <rppt@...nel.org> > Signed-off-by: Peter Xu <peterx@...hat.com> > --- Acked-by: David Hildenbrand <david@...hat.com> -- Cheers David / dhildenb
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