--- linux-2.6.0-test3-mm3-O18/kernel/sched.c	2003-08-23 15:28:47.000000000 +1000
+++ linux-2.6.0-test3-mm3/kernel/sched.c	2003-08-23 15:30:16.000000000 +1000
@@ -140,9 +140,6 @@
 #define LOW_CREDIT(p) \
 	((p)->interactive_credit < -MAX_SLEEP_AVG)
 
-#define VARYING_CREDIT(p) \
-	(!(HIGH_CREDIT(p) || LOW_CREDIT(p)))
-
 #define TASK_PREEMPTS_CURR(p, rq) \
 	((p)->prio < (rq)->curr->prio)
 
@@ -434,7 +431,7 @@ static void recalc_task_prio(task_t *p, 
 
 			if (p->sleep_avg > NS_MAX_SLEEP_AVG){
 				p->sleep_avg = NS_MAX_SLEEP_AVG;
-				p->interactive_credit += VARYING_CREDIT(p);
+				p->interactive_credit += !(HIGH_CREDIT(p));
 			}
 		}
 	}
@@ -1548,7 +1545,8 @@ switch_tasks:
 	prev->sleep_avg -= run_time;
 	if ((long)prev->sleep_avg <= 0){
 		prev->sleep_avg = 0;
-		prev->interactive_credit -= VARYING_CREDIT(prev);
+		prev->interactive_credit -=
+			!(HIGH_CREDIT(prev) || LOW_CREDIT(prev));
 	}
 	prev->timestamp = now;