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NOMMU: Don't need to clear vm_mm when deleting a VMA 

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>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2012-02-23 13:51:00 +00:00 committed by Linus Torvalds
parent 918e556ec2
commit b94cfaf668
1 changed files with 0 additions and 2 deletions
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2
mm/nommu.c
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@ -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;
}
/*