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Commit 15f803c9 authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar
Browse files

sched: Make default_scale_freq_power() static 



As default_scale_{freq,smt}_power() and update_rt_power() are
used in kernel/sched/fair.c only, annotate them as static
functions.

Signed-off-by: default avatarLi Zefan <lizefan@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/5135A7AF.8010900@huawei.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent c82ba9fa

include/linux/sched.h

+0 −3
Original line number Diff line number Diff line
@@ -880,9 +880,6 @@ extern void partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], 
cpumask_var_t *alloc_sched_domains(unsigned int ndoms);

void free_sched_domains(cpumask_var_t doms[], unsigned int ndoms);



unsigned long default_scale_freq_power(struct sched_domain *sd, int cpu);

unsigned long default_scale_smt_power(struct sched_domain *sd, int cpu);



bool cpus_share_cache(int this_cpu, int that_cpu);



#else /* CONFIG_SMP */

kernel/sched/fair.c

+3 −3
Original line number Diff line number Diff line
@@ -4245,7 +4245,7 @@ static inline int get_sd_load_idx(struct sched_domain *sd, 
	return load_idx;

}



unsigned long default_scale_freq_power(struct sched_domain *sd, int cpu)

static unsigned long default_scale_freq_power(struct sched_domain *sd, int cpu)

{

	return SCHED_POWER_SCALE;

}
@@ -4255,7 +4255,7 @@ unsigned long __weak arch_scale_freq_power(struct sched_domain *sd, int cpu) 
	return default_scale_freq_power(sd, cpu);

}



unsigned long default_scale_smt_power(struct sched_domain *sd, int cpu)

static unsigned long default_scale_smt_power(struct sched_domain *sd, int cpu)

{

	unsigned long weight = sd->span_weight;

	unsigned long smt_gain = sd->smt_gain;
@@ -4270,7 +4270,7 @@ unsigned long __weak arch_scale_smt_power(struct sched_domain *sd, int cpu) 
	return default_scale_smt_power(sd, cpu);

}



unsigned long scale_rt_power(int cpu)

static unsigned long scale_rt_power(int cpu)

{

	struct rq *rq = cpu_rq(cpu);

	u64 total, available, age_stamp, avg;