[PATCH] sleep_time task_struct removal ...

[Davide Libenzi]

Linus, this field is unused and waste cache line space.

- Davide

--- sched.h	Tue Jan  1 14:13:25 2002
+++ sched.new.h	Tue Jan  1 14:14:28 2002
@@ -322,7 +322,6 @@
 	 */
 	struct list_head run_list;
 	long time_slice;
-	unsigned long sleep_time;
 	/* recalculation loop checkpoint */
 	unsigned long rcl_last;

@@ -885,7 +884,6 @@
 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;
 }