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| author | Mike Kravetz <mike.kravetz@oracle.com> | 2017-02-22 15:42:52 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-22 16:41:28 -0800 |
| commit | 8fb5debc5fcd450470cdd789c2d80ef95ebb8cf4 (patch) | |
| tree | a3f1d6827a9a66d30172a9ba4f9e5f5f521f2156 /mm/userfaultfd.c | |
| parent | fa4d75c1de13299c61b5e18a1ae46bc00888b599 (diff) | |
| download | op-kernel-dev-8fb5debc5fcd450470cdd789c2d80ef95ebb8cf4.zip op-kernel-dev-8fb5debc5fcd450470cdd789c2d80ef95ebb8cf4.tar.gz | |
userfaultfd: hugetlbfs: add hugetlb_mcopy_atomic_pte for userfaultfd support
hugetlb_mcopy_atomic_pte is the low level routine that implements the
userfaultfd UFFDIO_COPY command. It is based on the existing
mcopy_atomic_pte routine with modifications for huge pages.
Link: http://lkml.kernel.org/r/20161216144821.5183-18-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 'mm/userfaultfd.c')
0 files changed, 0 insertions, 0 deletions
