diff -urN 2.4.5pre1/include/linux/sched.h parent-timeslice/include/linux/sched.h
--- 2.4.5pre1/include/linux/sched.h	Tue May  1 19:35:32 2001
+++ parent-timeslice/include/linux/sched.h	Tue May  8 01:03:49 2001
@@ -311,8 +311,8 @@
 	 * that's just fine.)
 	 */
 	struct list_head run_list;
-	unsigned long sleep_time;
 
+	int get_child_timeslice;
 	struct task_struct *next_task, *prev_task;
 	struct mm_struct *active_mm;
 
@@ -839,7 +839,6 @@
 static inline void del_from_runqueue(struct task_struct * p)
 {
 	nr_running--;
-	p->sleep_time = jiffies;
 	list_del(&p->run_list);
 	p->run_list.next = NULL;
 }
diff -urN 2.4.5pre1/kernel/exit.c parent-timeslice/kernel/exit.c
--- 2.4.5pre1/kernel/exit.c	Thu Feb 22 03:45:13 2001
+++ parent-timeslice/kernel/exit.c	Tue May  8 01:03:36 2001
@@ -59,9 +59,11 @@
 		 * timeslices, because any timeslice recovered here
 		 * was given away by the parent in the first place.)
 		 */
-		current->counter += p->counter;
-		if (current->counter >= MAX_COUNTER)
-			current->counter = MAX_COUNTER;
+		if (p->get_child_timeslice) {
+			current->counter += p->counter;
+			if (current->counter >= MAX_COUNTER)
+				current->counter = MAX_COUNTER;
+		}
 		free_task_struct(p);
 	} else {
 		printk("task releasing itself\n");
@@ -168,6 +170,7 @@
 			p->exit_signal = SIGCHLD;
 			p->self_exec_id++;
 			p->p_opptr = reaper;
+			p->get_child_timeslice = 0;
 			if (p->pdeath_signal) send_sig(p->pdeath_signal, p, 0);
 		}
 	}
diff -urN 2.4.5pre1/kernel/fork.c parent-timeslice/kernel/fork.c
--- 2.4.5pre1/kernel/fork.c	Wed May  2 10:11:42 2001
+++ parent-timeslice/kernel/fork.c	Tue May  8 01:03:36 2001
@@ -676,6 +676,9 @@
 	if (!current->counter)
 		current->need_resched = 1;
 
+	/* Tell the parent if it can get back its timeslice when child exits */
+	p->get_child_timeslice = 1;
+
 	/*
 	 * Ok, add it to the run-queues and make it
 	 * visible to the rest of the system.
diff -urN 2.4.5pre1/kernel/sched.c parent-timeslice/kernel/sched.c
--- 2.4.5pre1/kernel/sched.c	Tue May  1 19:35:33 2001
+++ parent-timeslice/kernel/sched.c	Tue May  8 01:03:36 2001
@@ -681,8 +681,10 @@
 		struct task_struct *p;
 		spin_unlock_irq(&runqueue_lock);
 		read_lock(&tasklist_lock);
-		for_each_task(p)
+		for_each_task(p) {
 			p->counter = (p->counter >> 1) + NICE_TO_TICKS(p->nice);
+			p->get_child_timeslice = 0;
+		}
 		read_unlock(&tasklist_lock);
 		spin_lock_irq(&runqueue_lock);
 	}