---
 mm/rmap.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6/mm/rmap.c
===================================================================
--- linux-2.6.orig/mm/rmap.c	2008-03-27 18:04:47.923377754 -0700
+++ linux-2.6/mm/rmap.c	2008-03-27 18:05:42.263618138 -0700
@@ -117,8 +117,8 @@ void anon_vma_link(struct vm_area_struct
 	struct anon_vma *anon_vma = vma->anon_vma;
 
 	if (anon_vma) {
-		get_anon_vma(anon_vma);
 		down_write(&anon_vma->sem);
+		get_anon_vma(anon_vma);
 		list_add_tail(&vma->anon_vma_node, &anon_vma->head);
 		up_write(&anon_vma->sem);
 	}
@@ -133,8 +133,8 @@ void anon_vma_unlink(struct vm_area_stru
 
 	down_write(&anon_vma->sem);
 	list_del(&vma->anon_vma_node);
-	up_write(&anon_vma->sem);
 	put_anon_vma(anon_vma);
+	up_write(&anon_vma->sem);
 }
 
 static void anon_vma_ctor(struct kmem_cache *cachep, void *data)