sched: mark scheduling classes as const
mark scheduling classes as const. The speeds up the code
a bit and shrinks it:
text data bss dec hex filename
40027 4018 292 44337 ad31 sched.o.before
40190 3842 292 44324 ad24 sched.o.after
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 97f736b..47e3717 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -863,7 +863,7 @@
struct sched_domain;
struct sched_class {
- struct sched_class *next;
+ const struct sched_class *next;
void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup);
void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep);
@@ -949,7 +949,7 @@
int prio, static_prio, normal_prio;
struct list_head run_list;
- struct sched_class *sched_class;
+ const struct sched_class *sched_class;
struct sched_entity se;
#ifdef CONFIG_PREEMPT_NOTIFIERS