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sched/deadline: Make two functions static

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Since commit 06a76fe08d ("sched/deadline: Move DL related code
from sched/core.c to sched/deadline.c"), DL related code moved to
deadline.c.

Make the following two functions static since they're only used in
deadline.c:

	dl_change_utilization()
	init_dl_rq_bw_ratio()

Signed-off-by: Yu Chen <chen.yu@easystack.cn>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200228100329.16927-1-chen.yu@easystack.cn
This commit is contained in:
Yu Chen 2020-02-28 18:03:29 +08:00 committed by Ingo Molnar
parent 6f693dd5be
commit ba4f7bc1de
2 changed files with 4 additions and 4 deletions
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6
kernel/sched/deadline.c
View File

@ -153,7 +153,7 @@ void sub_running_bw(struct sched_dl_entity *dl_se, struct dl_rq *dl_rq)
__sub_running_bw(dl_se->dl_bw, dl_rq);
}
void dl_change_utilization(struct task_struct *p, u64 new_bw)
static void dl_change_utilization(struct task_struct *p, u64 new_bw)
{
struct rq *rq;
@ -334,6 +334,8 @@ static inline int is_leftmost(struct task_struct *p, struct dl_rq *dl_rq)
return dl_rq->root.rb_leftmost == &dl_se->rb_node;
}
static void init_dl_rq_bw_ratio(struct dl_rq *dl_rq);
void init_dl_bandwidth(struct dl_bandwidth *dl_b, u64 period, u64 runtime)
{
raw_spin_lock_init(&dl_b->dl_runtime_lock);
@ -2496,7 +2498,7 @@ int sched_dl_global_validate(void)
return ret;
}
void init_dl_rq_bw_ratio(struct dl_rq *dl_rq)
static void init_dl_rq_bw_ratio(struct dl_rq *dl_rq)
{
if (global_rt_runtime() == RUNTIME_INF) {
dl_rq->bw_ratio = 1 << RATIO_SHIFT;

2
kernel/sched/sched.h
View File

@ -305,7 +305,6 @@ bool __dl_overflow(struct dl_bw *dl_b, int cpus, u64 old_bw, u64 new_bw)
dl_b->bw * cpus < dl_b->total_bw - old_bw + new_bw;
}
extern void dl_change_utilization(struct task_struct *p, u64 new_bw);
extern void init_dl_bw(struct dl_bw *dl_b);
extern int sched_dl_global_validate(void);
extern void sched_dl_do_global(void);
@ -1905,7 +1904,6 @@ extern struct dl_bandwidth def_dl_bandwidth;
extern void init_dl_bandwidth(struct dl_bandwidth *dl_b, u64 period, u64 runtime);
extern void init_dl_task_timer(struct sched_dl_entity *dl_se);
extern void init_dl_inactive_task_timer(struct sched_dl_entity *dl_se);
extern void init_dl_rq_bw_ratio(struct dl_rq *dl_rq);
#define BW_SHIFT 20
#define BW_UNIT (1 << BW_SHIFT)