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| author | Andrea Arcangeli <aarcange@redhat.com> | 2017-02-22 15:42:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-22 16:41:28 -0800 |
| commit | a94720bf821dd63e72176da5f423ba7935dde67d (patch) | |
| tree | cf518943eefeb9ce2ae619930897c4ef9fb4fae4 /mm/userfaultfd.c | |
| parent | 8474901a33d8a27958bfa99e78736863abd67874 (diff) | |
| download | linux-stable-a94720bf821dd63e72176da5f423ba7935dde67d.tar.gz linux-stable-a94720bf821dd63e72176da5f423ba7935dde67d.tar.bz2 linux-stable-a94720bf821dd63e72176da5f423ba7935dde67d.zip | |
userfaultfd: use vma_is_anonymous
Cleanup the vma->vm_ops usage.
Side note: it would be more robust if vma_is_anonymous() would also
check that vm_flags hasn't VM_PFNMAP set.
Link: http://lkml.kernel.org/r/20161216144821.5183-5-aarcange@redhat.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 Kravetz <mike.kravetz@oracle.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')
| -rw-r--r-- | mm/userfaultfd.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c index af817e5060fb..9c2ed70ac78d 100644 --- a/mm/userfaultfd.c +++ b/mm/userfaultfd.c @@ -197,7 +197,7 @@ retry: * FIXME: only allow copying on anonymous vmas, tmpfs should * be added. */ - if (dst_vma->vm_ops) + if (!vma_is_anonymous(dst_vma)) goto out_unlock; /* |