linux-kernel - [PATCH 7/9] sched: Make default_scale_freq

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Message-ID: <5135A7AF.8010900@huawei.com>
Date:	Tue, 5 Mar 2013 16:07:11 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Ingo Molnar <mingo@...nel.org>
CC:	Peter Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 7/9] 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@...wei.com>
---
 include/linux/sched.h | 3 ---
 kernel/sched/fair.c   | 6 +++---
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 04b834f..eadd113 100644
--- 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
--- 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;
-- 
1.8.0.2
--
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