diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 868d08f..7431001 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2390,7 +2390,7 @@
 
 				*mpol_new = *n->policy;
 				atomic_set(&mpol_new->refcnt, 1);
-				sp_node_init(n_new, n->end, end, mpol_new);
+				sp_node_init(n_new, end, n->end, mpol_new);
 				n->end = start;
 				sp_insert(sp, n_new);
 				n_new = NULL;