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

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 04b834f..eadd113 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -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 */

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 7a33e59..9f23112 100644 (file)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -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;