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-rw-r--r--include/linux/cpu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index cdfe471a70a1..a3caf6866bae 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -79,6 +79,8 @@ extern int lock_cpu_hotplug_interruptible(void);
79 { .notifier_call = fn, .priority = pri }; \ 79 { .notifier_call = fn, .priority = pri }; \
80 register_cpu_notifier(&fn##_nb); \ 80 register_cpu_notifier(&fn##_nb); \
81} 81}
82#define register_hotcpu_notifier(nb) register_cpu_notifier(nb)
83#define unregister_hotcpu_notifier(nb) unregister_cpu_notifier(nb)
82int cpu_down(unsigned int cpu); 84int cpu_down(unsigned int cpu);
83#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu)) 85#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
84#else 86#else
@@ -86,6 +88,8 @@ int cpu_down(unsigned int cpu);
86#define unlock_cpu_hotplug() do { } while (0) 88#define unlock_cpu_hotplug() do { } while (0)
87#define lock_cpu_hotplug_interruptible() 0 89#define lock_cpu_hotplug_interruptible() 0
88#define hotcpu_notifier(fn, pri) 90#define hotcpu_notifier(fn, pri)
91#define register_hotcpu_notifier(nb)
92#define unregister_hotcpu_notifier(nb)
89 93
90/* CPUs don't go offline once they're online w/o CONFIG_HOTPLUG_CPU */ 94/* CPUs don't go offline once they're online w/o CONFIG_HOTPLUG_CPU */
91static inline int cpu_is_offline(int cpu) { return 0; } 95static inline int cpu_is_offline(int cpu) { return 0; }