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-rw-r--r--include/linux/sched/cpufreq.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h
index 07ed966..2bdcfbf 100644
--- a/include/linux/sched/cpufreq.h
+++ b/include/linux/sched/cpufreq.h
@@ -3,4 +3,25 @@
#include <linux/sched.h>
+/*
+ * Interface between cpufreq drivers and the scheduler:
+ */
+
+#define SCHED_CPUFREQ_RT (1U << 0)
+#define SCHED_CPUFREQ_DL (1U << 1)
+#define SCHED_CPUFREQ_IOWAIT (1U << 2)
+
+#define SCHED_CPUFREQ_RT_DL (SCHED_CPUFREQ_RT | SCHED_CPUFREQ_DL)
+
+#ifdef CONFIG_CPU_FREQ
+struct update_util_data {
+ void (*func)(struct update_util_data *data, u64 time, unsigned int flags);
+};
+
+void cpufreq_add_update_util_hook(int cpu, struct update_util_data *data,
+ void (*func)(struct update_util_data *data, u64 time,
+ unsigned int flags));
+void cpufreq_remove_update_util_hook(int cpu);
+#endif /* CONFIG_CPU_FREQ */
+
#endif /* _LINUX_SCHED_CPUFREQ_H */
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