Index: linux-2.6.21-mm1/mm/slub.c
===================================================================
--- linux-2.6.21-mm1.orig/mm/slub.c	2007-05-07 19:40:06.000000000 -0700
+++ linux-2.6.21-mm1/mm/slub.c	2007-05-07 19:42:00.000000000 -0700
@@ -2990,12 +2990,14 @@ static int list_locations(struct kmem_ca
 		else
 			n += sprintf(buf + n, "<not-available>");
 
-		if (l->sum_time != l->min_time)
+		if (l->sum_time != l->min_time) {
+			unsigned long remainder;
+
 			n += sprintf(buf + n, " age=%ld/%ld/%ld",
 			l->min_time,
-			(unsigned long)(l->sum_time / l->count),
+			div_long_long_rem(l->sum_time, l->count, &remainder),
 			l->max_time);
-		else
+		} else
 			n += sprintf(buf + n, " age=%ld",
 				l->min_time);