Index: linux-2.6.16-rc6/mm/mempolicy.c
===================================================================
--- linux-2.6.16-rc6.orig/mm/mempolicy.c	2006-03-11 14:12:55.000000000 -0800
+++ linux-2.6.16-rc6/mm/mempolicy.c	2006-03-13 19:35:54.000000000 -0800
@@ -818,9 +818,8 @@ static int get_nodes(nodemask_t *nodes, 
 	unsigned long nlongs;
 	unsigned long endmask;
 
-	--maxnode;
 	nodes_clear(*nodes);
-	if (maxnode == 0 || !nmask)
+	if (maxnode <= 1 || !nmask)
 		return 0;
 	if (maxnode > PAGE_SIZE*BITS_PER_BYTE)
 		return -EINVAL;