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Subject[RFC PATCH 4/7] sched/cpufreq: Move up sugov_cpu_is_busy()
Date
From: Douglas RAILLARD <douglas.raillard@arm.com>

Move sugov_cpu_is_busy() static function of cpufreq_schedutil.c higher
in the file so it can be used by other functions.

Signed-off-by: Douglas RAILLARD <douglas.raillard@arm.com>
---
kernel/sched/cpufreq_schedutil.c | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index f4173a7c0f01..a52c66559321 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -173,6 +173,19 @@ static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time,
}
}

+#ifdef CONFIG_NO_HZ_COMMON
+static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu)
+{
+ unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu);
+ bool ret = idle_calls == sg_cpu->saved_idle_calls;
+
+ sg_cpu->saved_idle_calls = idle_calls;
+ return ret;
+}
+#else
+static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; }
+#endif /* CONFIG_NO_HZ_COMMON */
+
/**
* get_next_freq - Compute a new frequency for a given cpufreq policy.
* @sg_policy: schedutil policy object to compute the new frequency for.
@@ -462,19 +475,6 @@ static unsigned long sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time,
return max(boost, util);
}

-#ifdef CONFIG_NO_HZ_COMMON
-static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu)
-{
- unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu);
- bool ret = idle_calls == sg_cpu->saved_idle_calls;
-
- sg_cpu->saved_idle_calls = idle_calls;
- return ret;
-}
-#else
-static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; }
-#endif /* CONFIG_NO_HZ_COMMON */
-
/*
* Make sugov_should_update_freq() ignore the rate limit when DL
* has increased the utilization.
--
2.21.0
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