diff -NurP --minimal linux-2.4.23-pre4/kernel/sched.c linux-2.4.23-pre4-ctx17d/kernel/sched.c
--- linux-2.4.23-pre4/kernel/sched.c	2003-09-13 00:50:17.000000000 +0200
+++ linux-2.4.23-pre4-ctx17d/kernel/sched.c	2003-09-13 17:19:02.000000000 +0200
@@ -165,7 +165,13 @@
 		 * Don't do any other calculations if the time slice is
 		 * over..
 		 */
-		weight = p->counter;
+		if (p->s_info != NULL
+			&& (p->s_info->flags & S_CTX_INFO_SCHED)) {
+			weight = atomic_read (&p->s_info->ticks)/p->s_info->refcount;
+			weight = (weight+p->counter)>>1;
+		} else {
+			weight = p->counter;
+		}
 		if (!weight)
 			goto out;
 			
@@ -618,8 +624,21 @@
 
 		spin_unlock_irq(&runqueue_lock);
 		read_lock(&tasklist_lock);
-		for_each_task(p)
+		/*
+			Reset the s_info->ticks to the sum off all
+			member processes p->counter
+		*/
+		for_each_task(p) {
+			if (p->s_info != NULL
+				&& (p->s_info->flags & S_CTX_INFO_SCHED))
+				atomic_set (&p->s_info->ticks,0);
+		}
+		for_each_task(p) {
 			p->counter = (p->counter >> 1) + NICE_TO_TICKS(p->nice);
+			if (p->s_info != NULL
+				&& (p->s_info->flags & S_CTX_INFO_SCHED))
+				atomic_add (p->counter,&p->s_info->ticks);
+		}
 		read_unlock(&tasklist_lock);
 		spin_lock_irq(&runqueue_lock);
 		goto repeat_schedule;