Index: linux-2.6/mm/vmscan.c
===================================================================
--- linux-2.6.orig/mm/vmscan.c	2005-01-16 14:52:42.753380598 +1100
+++ linux-2.6/mm/vmscan.c	2005-01-16 14:54:28.468932870 +1100
@@ -1194,6 +1194,11 @@
 {
 	pg_data_t *pgdat;
 
+	if (order >= 8) {
+		printk("wakeup_kswapd(order = %d)\n", order);
+		dump_stack();
+	}
+	
 	if (zone->present_pages == 0)
 		return;