Index: linux-2.6.8.1-ck5/kernel/sched.c
===================================================================
--- linux-2.6.8.1-ck5.orig/kernel/sched.c	2004-09-07 09:14:30.815590192 +1000
+++ linux-2.6.8.1-ck5/kernel/sched.c	2004-09-07 09:15:51.446332456 +1000
@@ -354,10 +354,10 @@ static void recalc_task_prio(task_t *p, 
 	unsigned int rr = rr_interval(p);
 	unsigned int best_burst = burst(p);
 	unsigned int minrun = rr * (p->burst + 1) / (best_burst + 1) ? : 1;
-	if (p->flags & PF_FORKED || 
+	if (p->flags & PF_FORKED || (p->mm &&
 		(NS_TO_JIFFIES(p->runtime + sleep_time) < minrun || 
 		((!sched_interactive || sched_compute) && 
-		NS_TO_JIFFIES(p->runtime + sleep_time) < rr))) {
+		NS_TO_JIFFIES(p->runtime + sleep_time) < rr)))) {
 			unsigned long ns_totalrun = p->totalrun + p->runtime;
 			unsigned long total_run = NS_TO_JIFFIES(ns_totalrun);
 			p->flags &= ~PF_FORKED;
@@ -381,7 +381,7 @@ static void recalc_task_prio(task_t *p, 
 	} else {
 		if (NS_TO_JIFFIES(p->totalrun) > (best_burst - p->burst) * rr)
 			dec_burst(p);
-		else if (!(p->flags & PF_UISLEEP))
+		else if (!(p->flags & PF_UISLEEP || p->totalrun))
 			inc_burst(p);
 		p->runtime = 0;
 		p->totalrun = 0;