userfault; expand folio use in mfill_atomic_install_pte()

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Call page_folio() a little earlier so we can use folio_mapping()
instead of page_mapping(), saving a call to compound_head().

Link: https://lkml.kernel.org/r/20240423225552.4113447-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Matthew Wilcox (Oracle) 2024-04-23 23:55:36 +01:00 • committed by Andrew Morton

parent e18a9faf06

commit a568b4126b

1 changed files with 2 additions and 3 deletions

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mm/userfaultfd.c

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