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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-05-02 09:48:26 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-05-02 09:48:26 -0700
commit0337966d121ebebf73a1c346123e8112796e684e (patch)
treec0d4388591e72dc5a26ee976a9cbca70f6bafbbd /include/linux/sched/nohz.h
parent7c5bb4ac2b76d2a09256aec8a7d584bf3e2b0466 (diff)
parent8a038b83e012097a7ac6cfb9f6c5fac1da8fad6e (diff)
Merge branch 'next' into for-linus
Prepare input updates for 4.12 merge window.
Diffstat (limited to 'include/linux/sched/nohz.h')
-rw-r--r--include/linux/sched/nohz.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/sched/nohz.h b/include/linux/sched/nohz.h
new file mode 100644
index 000000000000..4995b717500b
--- /dev/null
+++ b/include/linux/sched/nohz.h
@@ -0,0 +1,43 @@
+#ifndef _LINUX_SCHED_NOHZ_H
+#define _LINUX_SCHED_NOHZ_H
+
+/*
+ * This is the interface between the scheduler and nohz/dyntics:
+ */
+
+#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
+extern void cpu_load_update_nohz_start(void);
+extern void cpu_load_update_nohz_stop(void);
+#else
+static inline void cpu_load_update_nohz_start(void) { }
+static inline void cpu_load_update_nohz_stop(void) { }
+#endif
+
+#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
+extern void nohz_balance_enter_idle(int cpu);
+extern void set_cpu_sd_state_idle(void);
+extern int get_nohz_timer_target(void);
+#else
+static inline void nohz_balance_enter_idle(int cpu) { }
+static inline void set_cpu_sd_state_idle(void) { }
+#endif
+
+#ifdef CONFIG_NO_HZ_COMMON
+void calc_load_enter_idle(void);
+void calc_load_exit_idle(void);
+#else
+static inline void calc_load_enter_idle(void) { }
+static inline void calc_load_exit_idle(void) { }
+#endif /* CONFIG_NO_HZ_COMMON */
+
+#if defined(CONFIG_NO_HZ_COMMON) && defined(CONFIG_SMP)
+extern void wake_up_nohz_cpu(int cpu);
+#else
+static inline void wake_up_nohz_cpu(int cpu) { }
+#endif
+
+#ifdef CONFIG_NO_HZ_FULL
+extern u64 scheduler_tick_max_deferment(void);
+#endif
+
+#endif /* _LINUX_SCHED_NOHZ_H */