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-rw-r--r--include/linux/sched/isolation.h31
1 files changed, 10 insertions, 21 deletions
diff --git a/include/linux/sched/isolation.h b/include/linux/sched/isolation.h
index 040df04fa78a..ed935ffc6ffa 100644
--- a/include/linux/sched/isolation.h
+++ b/include/linux/sched/isolation.h
@@ -6,46 +6,35 @@
#include <linux/tick.h>
#ifdef CONFIG_NO_HZ_FULL
-extern cpumask_var_t housekeeping_mask;
+extern int housekeeping_any_cpu(void);
+extern const struct cpumask *housekeeping_cpumask(void);
+extern void housekeeping_affine(struct task_struct *t);
+extern bool housekeeping_test_cpu(int cpu);
extern void __init housekeeping_init(void);
+
#else
-static inline void housekeeping_init(void) { }
-#endif /* CONFIG_NO_HZ_FULL */
static inline int housekeeping_any_cpu(void)
{
-#ifdef CONFIG_NO_HZ_FULL
- if (tick_nohz_full_enabled())
- return cpumask_any_and(housekeeping_mask, cpu_online_mask);
-#endif
return smp_processor_id();
}
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 void housekeeping_affine(struct task_struct *t) { }
+static inline void housekeeping_init(void) { }
+#endif /* CONFIG_NO_HZ_FULL */
+
static inline bool is_housekeeping_cpu(int cpu)
{
#ifdef CONFIG_NO_HZ_FULL
if (tick_nohz_full_enabled())
- return cpumask_test_cpu(cpu, housekeeping_mask);
+ return housekeeping_test_cpu(cpu);
#endif
return true;
}
-static inline void housekeeping_affine(struct task_struct *t)
-{
-#ifdef CONFIG_NO_HZ_FULL
- if (tick_nohz_full_enabled())
- set_cpus_allowed_ptr(t, housekeeping_mask);
-
-#endif
-}
-
#endif /* _LINUX_SCHED_ISOLATION_H */