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authorMike Kravetz <mike.kravetz@oracle.com>2017-02-22 15:42:55 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 16:41:28 -0800
commit60d4d2d2b40e44cd36bfb6049e8d9e2055a24f8a (patch)
treeb622e72fc72555be1f09f5f496d9a54fcb1e2e3c /include/linux/mm.h
parent8fb5debc5fcd450470cdd789c2d80ef95ebb8cf4 (diff)
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userfaultfd: hugetlbfs: add __mcopy_atomic_hugetlb for huge page UFFDIO_COPY
__mcopy_atomic_hugetlb performs the UFFDIO_COPY operation for huge pages. It is based on the existing __mcopy_atomic routine for normal pages. Unlike normal pages, there is no huge page support for the UFFDIO_ZEROPAGE operation. Link: http://lkml.kernel.org/r/20161216144821.5183-19-aarcange@redhat.com Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Michael Rapoport <RAPOPORT@il.ibm.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Pavel Emelyanov <xemul@parallels.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
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