diff options
| author | David Howells <dhowells@redhat.com> | 2012-02-23 13:51:00 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-03-12 12:31:25 -0700 |
| commit | ce6e3def616ad1e22443df7fc8bdaa3384cf0575 (patch) | |
| tree | 50f06701b90eec7c4121835d973525af2535d9c4 /mm | |
| parent | 3516a8a4a77140b9039e3266c24eb5581066779d (diff) | |
NOMMU: Don't need to clear vm_mm when deleting a VMA
commit b94cfaf6685d691dc3fab023cf32f65e9b7be09c upstream.
Don't clear vm_mm in a deleted VMA as it's unnecessary and might
conceivably break the filesystem or driver VMA close routine.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/nommu.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index ee7e57ebef6a..f59e170fceb4 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -779,8 +779,6 @@ static void delete_vma_from_mm(struct vm_area_struct *vma) if (vma->vm_next) vma->vm_next->vm_prev = vma->vm_prev; - - vma->vm_mm = NULL; } /* |