doug@s15:~/linux-3.0.0/kernel$ diff -u sched.c.peter01 sched.c.peter02
--- sched.c.peter01     2012-03-01 08:28:27.655753863 -0800
+++ sched.c.peter02     2012-03-01 08:51:06.087772603 -0800
@@ -3415,7 +3415,7 @@
        /*
         * Catch-up, fold however many we are behind still
         */
-       delta = calc_load_update + 10 - jiffies;
+       delta = jiffies - calc_load_update - 10;
        n = 1 + (delta / LOAD_FREQ);

        active = atomic_long_read(&calc_load_tasks);