linux-kernel - [PATCH] sched/topology: set varaiables sched_energy_mutex,update storage-class-specifier to static

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Message-Id: <20230314144818.1453523-1-trix@redhat.com>
Date:   Tue, 14 Mar 2023 10:48:18 -0400
From:   Tom Rix <trix@...hat.com>
To:     mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com
Cc:     linux-kernel@...r.kernel.org, Tom Rix <trix@...hat.com>
Subject: [PATCH] sched/topology: set varaiables sched_energy_mutex,update storage-class-specifier to static

smatch reports
kernel/sched/topology.c:212:1: warning:
  symbol 'sched_energy_mutex' was not declared. Should it be static?
kernel/sched/topology.c:213:6: warning:
  symbol 'sched_energy_update' was not declared. Should it be static?

These variables are only used in topology.c, so should be static

Signed-off-by: Tom Rix <trix@...hat.com>
---
 kernel/sched/topology.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 051aaf65c749..6682535e37c8 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -209,8 +209,8 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
 #if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
 DEFINE_STATIC_KEY_FALSE(sched_energy_present);
 static unsigned int sysctl_sched_energy_aware = 1;
-DEFINE_MUTEX(sched_energy_mutex);
-bool sched_energy_update;
+static DEFINE_MUTEX(sched_energy_mutex);
+static bool sched_energy_update;
 
 void rebuild_sched_domains_energy(void)
 {
-- 
2.27.0