Index: linux-2.6.8.1-ck6/mm/page_alloc.c
===================================================================
--- linux-2.6.8.1-ck6.orig/mm/page_alloc.c	2004-09-04 01:13:54.544201490 +1000
+++ linux-2.6.8.1-ck6/mm/page_alloc.c	2004-09-04 01:13:58.496585580 +1000
@@ -1912,7 +1912,7 @@ static void setup_per_zone_pages_min(voi
 
 		zone->pages_low = zone->pages_min * 2;
 		zone->pages_high = zone->pages_min * 3;
-		zone->pages_unmapped = zone->present_pages / 3;
+		zone->pages_unmapped = zone->pages_min * 4;
 		spin_unlock_irqrestore(&zone->lru_lock, flags);
 	}
 }