diff options
| author | Andrea Arcangeli | 2017-02-23 00:43:13 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2017-02-23 01:41:28 +0100 |
| commit | 87ffc118b54dcd4cc642723603d944673248152f (patch) | |
| tree | ef5ff9a70c12b331985148ebab7629a73984c841 /mm/userfaultfd.c | |
| parent | userfaultfd: hugetlbfs: userfaultfd_huge_must_wait for hugepmd ranges (diff) | |
| download | kernel-qcow2-linux-87ffc118b54dcd4cc642723603d944673248152f.tar.gz kernel-qcow2-linux-87ffc118b54dcd4cc642723603d944673248152f.tar.xz kernel-qcow2-linux-87ffc118b54dcd4cc642723603d944673248152f.zip | |
userfaultfd: hugetlbfs: gup: support VM_FAULT_RETRY
Add support for VM_FAULT_RETRY to follow_hugetlb_page() so that
get_user_pages_unlocked/locked and "nonblocking/FOLL_NOWAIT" features
will work on hugetlbfs.
This is required for fully functional userfaultfd non-present support on
hugetlbfs.
Link: http://lkml.kernel.org/r/20161216144821.5183-25-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.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