From: Rik Bobbaers <Rik.Bobbaers@cc.kuleuven.be>

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>
---

 mm/mlock.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN mm/mlock.c~mlock-cleanup mm/mlock.c
--- a/mm/mlock.c~mlock-cleanup
+++ a/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;
_