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-rw-r--r--include/linux/cpu.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index bfb520212d71..769ddc6df492 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -49,10 +49,20 @@ struct notifier_block;
49 49
50#ifdef CONFIG_SMP 50#ifdef CONFIG_SMP
51/* Need to know about CPUs going up/down? */ 51/* Need to know about CPUs going up/down? */
52extern int register_cpu_notifier(struct notifier_block *nb);
53#ifdef CONFIG_HOTPLUG_CPU 52#ifdef CONFIG_HOTPLUG_CPU
53extern int register_cpu_notifier(struct notifier_block *nb);
54extern void unregister_cpu_notifier(struct notifier_block *nb); 54extern void unregister_cpu_notifier(struct notifier_block *nb);
55#else 55#else
56
57#ifndef MODULE
58extern int register_cpu_notifier(struct notifier_block *nb);
59#else
60static inline int register_cpu_notifier(struct notifier_block *nb)
61{
62 return 0;
63}
64#endif
65
56static inline void unregister_cpu_notifier(struct notifier_block *nb) 66static inline void unregister_cpu_notifier(struct notifier_block *nb)
57{ 67{
58} 68}