[tip: sched/core] sched/topology: Move the declaration of 'schedutil_gov' to kernel/sched/sched.h

[tip-bot2 for Ingo Molnar]

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     f2273f4e19e29f7d0be6a2393f18369cd1b496c8
Gitweb:        https://git.kernel.org/tip/f2273f4e19e29f7d0be6a2393f18369cd1b496c8
Author:        Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate:    Mon, 09 Oct 2023 17:31:26 +02:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Mon, 09 Oct 2023 17:33:10 +02:00

sched/topology: Move the declaration of 'schedutil_gov' to kernel/sched/sched.h

Move it out of the .c file into the shared scheduler-internal header file,
to gain type-checking.

Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Shrikanth Hegde <sshegde@xxxxxxxxxxxxxxxxxx>
Cc: Valentin Schneider <vschneid@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20231009060037.170765-3-sshegde@xxxxxxxxxxxxxxxxxx
---
 kernel/sched/sched.h    | 2 ++
 kernel/sched/topology.c | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 7e7fedc..faf9031 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -3203,6 +3203,8 @@ static inline bool sched_energy_enabled(void)
 	return static_branch_unlikely(&sched_energy_present);
 }
 
+extern struct cpufreq_governor schedutil_gov;
+
 #else /* ! (CONFIG_ENERGY_MODEL && CONFIG_CPU_FREQ_GOV_SCHEDUTIL) */
 
 #define perf_domain_span(pd) NULL
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 4cbbdac..d950861 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -212,7 +212,6 @@ static unsigned int sysctl_sched_energy_aware = 1;
 static DEFINE_MUTEX(sched_energy_mutex);
 static bool sched_energy_update;
 
-extern struct cpufreq_governor schedutil_gov;
 static bool sched_is_eas_possible(const struct cpumask *cpu_mask)
 {
 	bool any_asym_capacity = false;