[PATCH] mlock cleanup

mm is defined as vma->vm_mm, so use that.
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

mm/mlock.c

@@ -65,7 +65,7 @@ success:
 			ret = make_pages_present(start, end);
 	}
 
-	vma->vm_mm->locked_vm -= pages;
+	mm->locked_vm -= pages;
 out:
 	if (ret == -ENOMEM)
 		ret = -EAGAIN;