sched/deadline: remove unused dl_bandwidth

The default deadline bandwidth control structure has been removed since
commit eb77cf1c151c ("sched/deadline: Remove unused def_dl_bandwidth")
leading to unused init_dl_bandwidth() and struct dl_bandwidth. Remove
them to clean up the code.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20230524102514.407486-1-linmiaohe@huawei.com

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 5a9a4b81c972e87341d50650e81bc00f5ea8fa7a..f827067ad03b8f771f35f81a39dcf0662b05d8e0 100644 (file)
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -489,13 +489,6 @@ static inline int is_leftmost(struct task_struct *p, struct dl_rq *dl_rq)
 
 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);
-       dl_b->dl_period = period;
-       dl_b->dl_runtime = runtime;
-}
-
 void init_dl_bw(struct dl_bw *dl_b)
 {
        raw_spin_lock_init(&dl_b->lock);

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 678446251c35887ea8f836e23fbf93221924f4ff..d8ba81c66579cc2b97c807fadb5d833305673298 100644 (file)
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -286,12 +286,6 @@ struct rt_bandwidth {
 
 void __dl_clear_params(struct task_struct *p);
 
-struct dl_bandwidth {
-       raw_spinlock_t          dl_runtime_lock;
-       u64                     dl_runtime;
-       u64                     dl_period;
-};
-
 static inline int dl_bandwidth_enabled(void)
 {
        return sysctl_sched_rt_runtime >= 0;
@@ -2394,7 +2388,6 @@ extern struct rt_bandwidth def_rt_bandwidth;
 extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime);
 extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq);
 
-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);