Commit 3f4bf7aa authored by Miaohe Lin's avatar Miaohe Lin Committed by Peter Zijlstra
Browse files

sched/deadline: remove unused dl_bandwidth 



The default deadline bandwidth control structure has been removed since
commit eb77cf1c ("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: default avatarMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarJuri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20230524102514.407486-1-linmiaohe@huawei.com
parent 7aa55f2a

kernel/sched/deadline.c

+0 −7
Original line number Diff line number Diff line
@@ -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);

kernel/sched/sched.h

+0 −7
Original line number Diff line number Diff line
@@ -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);