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f74991b4e3
Add filemap_add() and filemap_remove() methods to vm_uffd_ops and use them in __mfill_atomic_pte() to add shmem folios to page cache and remove them in case of error. Implement these methods in shmem along with vm_uffd_ops->alloc_folio() and drop shmem_mfill_atomic_pte(). Since userfaultfd now does not reference any functions from shmem, drop include if linux/shmem_fs.h from mm/userfaultfd.c mfill_atomic_install_pte() is not used anywhere outside of mm/userfaultfd, make it static. Link: https://lore.kernel.org/20260402041156.1377214-11-rppt@kernel.org Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Reviewed-by: James Houghton <jthoughton@google.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andrei Vagin <avagin@google.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: David Hildenbrand (Arm) <david@kernel.org> Cc: Harry Yoo <harry.yoo@oracle.com> Cc: Harry Yoo (Oracle) <harry@kernel.org> Cc: Hugh Dickins <hughd@google.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes (Oracle) <ljs@kernel.org> Cc: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Muchun Song <muchun.song@linux.dev> Cc: Nikita Kalyazin <kalyazin@amazon.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Xu <peterx@redhat.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: David Carlier <devnexen@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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| kunit | ||
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| linux | ||
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| uapi | ||
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