diff options
| author | Mike Kravetz <mike.kravetz@oracle.com> | 2017-02-22 15:43:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-22 16:41:28 -0800 |
| commit | 1a1aad8a9b7bd34f60cdf98cd7915f00ae892c45 (patch) | |
| tree | 327e1b523dc7cd0e34321ac3dcf5e34ae43a6060 /fs/userfaultfd.c | |
| parent | 810a56b943e265bbabfcd5a8e54cb8d3b16cd6e4 (diff) | |
userfaultfd: hugetlbfs: add userfaultfd hugetlb hook
When processing a hugetlb fault for no page present, check the vma to
determine if faults are to be handled via userfaultfd. If so, drop the
hugetlb_fault_mutex and call handle_userfault().
Link: http://lkml.kernel.org/r/20161216144821.5183-21-aarcange@redhat.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.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 'fs/userfaultfd.c')
0 files changed, 0 insertions, 0 deletions