--- 2.4.5aa3/mm/vmscan.c.~1~	Sat May 26 04:03:50 2001
+++ 2.4.5aa3/mm/vmscan.c	Tue Jun  5 03:41:06 2001
@@ -791,6 +788,8 @@
 		for(i = 0; i < MAX_NR_ZONES; i++) {
 			int zone_shortage;
 			zone_t *zone = pgdat->node_zones+ i;
+			if (!zone->size)
+				continue;
 
 			zone_shortage = zone->pages_high;
 			zone_shortage -= zone->inactive_dirty_pages;