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-rw-r--r--include/linux/tick.h34
1 files changed, 22 insertions, 12 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
index edbfc9a52..e312219ff 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -147,22 +147,38 @@ static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask)
cpumask_or(mask, mask, tick_nohz_full_mask);
}
-extern void __tick_nohz_full_check(void);
+static inline int housekeeping_any_cpu(void)
+{
+ return cpumask_any_and(housekeeping_mask, cpu_online_mask);
+}
+
extern void tick_nohz_full_kick(void);
extern void tick_nohz_full_kick_cpu(int cpu);
extern void tick_nohz_full_kick_all(void);
-extern void __tick_nohz_task_switch(struct task_struct *tsk);
+extern void __tick_nohz_task_switch(void);
#else
+static inline int housekeeping_any_cpu(void)
+{
+ return smp_processor_id();
+}
static inline bool tick_nohz_full_enabled(void) { return false; }
static inline bool tick_nohz_full_cpu(int cpu) { return false; }
static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask) { }
-static inline void __tick_nohz_full_check(void) { }
static inline void tick_nohz_full_kick_cpu(int cpu) { }
static inline void tick_nohz_full_kick(void) { }
static inline void tick_nohz_full_kick_all(void) { }
-static inline void __tick_nohz_task_switch(struct task_struct *tsk) { }
+static inline void __tick_nohz_task_switch(void) { }
#endif
+static inline const struct cpumask *housekeeping_cpumask(void)
+{
+#ifdef CONFIG_NO_HZ_FULL
+ if (tick_nohz_full_enabled())
+ return housekeeping_mask;
+#endif
+ return cpu_possible_mask;
+}
+
static inline bool is_housekeeping_cpu(int cpu)
{
#ifdef CONFIG_NO_HZ_FULL
@@ -181,16 +197,10 @@ static inline void housekeeping_affine(struct task_struct *t)
#endif
}
-static inline void tick_nohz_full_check(void)
-{
- if (tick_nohz_full_enabled())
- __tick_nohz_full_check();
-}
-
-static inline void tick_nohz_task_switch(struct task_struct *tsk)
+static inline void tick_nohz_task_switch(void)
{
if (tick_nohz_full_enabled())
- __tick_nohz_task_switch(tsk);
+ __tick_nohz_task_switch();
}
#endif