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authorZhen Ni <nizhen@uniontech.com>2022-02-15 19:46:04 +0800
committerLuis Chamberlain <mcgrof@kernel.org>2022-04-06 13:43:44 -0700
commit8a0441415b3f9b9a920a6a5086580ea3daa7b884 (patch)
treec2bcf3c9122b20c6eafc1fd68c5dde39bc94537a
parentd4ae80ffa64f87b9c355692b680b603add084e96 (diff)
sched: Move energy_aware sysctls to topology.c
move energy_aware sysctls to topology.c and use the new register_sysctl_init() to register the sysctl interface. Signed-off-by: Zhen Ni <nizhen@uniontech.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
-rw-r--r--include/linux/sched/sysctl.h6
-rw-r--r--kernel/sched/topology.c25
-rw-r--r--kernel/sysctl.c11
3 files changed, 23 insertions, 19 deletions
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 198f77c8a873..e650946816d0 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -34,10 +34,4 @@ extern int sysctl_numa_balancing_mode;
int sysctl_numa_balancing(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos);
-#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
-extern unsigned int sysctl_sched_energy_aware;
-int sched_energy_aware_handler(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos);
-#endif
-
#endif /* _LINUX_SCHED_SYSCTL_H */
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 810750e62118..05b6c2ad90b9 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -206,7 +206,7 @@ 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);
-unsigned int sysctl_sched_energy_aware = 1;
+static unsigned int sysctl_sched_energy_aware = 1;
DEFINE_MUTEX(sched_energy_mutex);
bool sched_energy_update;
@@ -220,7 +220,7 @@ void rebuild_sched_domains_energy(void)
}
#ifdef CONFIG_PROC_SYSCTL
-int sched_energy_aware_handler(struct ctl_table *table, int write,
+static int sched_energy_aware_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
int ret, state;
@@ -237,6 +237,27 @@ int sched_energy_aware_handler(struct ctl_table *table, int write,
return ret;
}
+
+static struct ctl_table sched_energy_aware_sysctls[] = {
+ {
+ .procname = "sched_energy_aware",
+ .data = &sysctl_sched_energy_aware,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_energy_aware_handler,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
+ },
+ {}
+};
+
+static int __init sched_energy_aware_sysctl_init(void)
+{
+ register_sysctl_init("kernel", sched_energy_aware_sysctls);
+ return 0;
+}
+
+late_initcall(sched_energy_aware_sysctl_init);
#endif
static void free_pd(struct perf_domain *pd)
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 10ab81c7c457..8241c5401ee8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1681,17 +1681,6 @@ static struct ctl_table kern_table[] = {
.extra2 = SYSCTL_FOUR,
},
#endif /* CONFIG_NUMA_BALANCING */
-#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
- {
- .procname = "sched_energy_aware",
- .data = &sysctl_sched_energy_aware,
- .maxlen = sizeof(unsigned int),
- .mode = 0644,
- .proc_handler = sched_energy_aware_handler,
- .extra1 = SYSCTL_ZERO,
- .extra2 = SYSCTL_ONE,
- },
-#endif
#ifdef CONFIG_PROVE_LOCKING
{
.procname = "prove_locking",