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Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r--include/linux/cpufreq.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 9956afb9acc2..20f7e98ee8af 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -241,6 +241,12 @@ struct kobject *get_governor_parent_kobj(struct cpufreq_policy *policy);
void cpufreq_enable_fast_switch(struct cpufreq_policy *policy);
void cpufreq_disable_fast_switch(struct cpufreq_policy *policy);
bool has_target_index(void);
+
+DECLARE_PER_CPU(unsigned long, cpufreq_pressure);
+static inline unsigned long cpufreq_get_pressure(int cpu)
+{
+ return READ_ONCE(per_cpu(cpufreq_pressure, cpu));
+}
#else
static inline unsigned int cpufreq_get(unsigned int cpu)
{
@@ -264,6 +270,10 @@ static inline bool cpufreq_supports_freq_invariance(void)
}
static inline void disable_cpufreq(void) { }
static inline void cpufreq_update_limits(unsigned int cpu) { }
+static inline unsigned long cpufreq_get_pressure(int cpu)
+{
+ return 0;
+}
#endif
#ifdef CONFIG_CPU_FREQ_STAT