diff options
Diffstat (limited to 'include/linux/cpu.h')
| -rw-r--r-- | include/linux/cpu.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 1f7b2c09750..43c44530ef9 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -42,6 +42,7 @@ struct notifier_block; /* Need to know about CPUs going up/down? */ extern int register_cpu_notifier(struct notifier_block *nb); extern void unregister_cpu_notifier(struct notifier_block *nb); +extern int current_in_cpu_hotplug(void); int cpu_up(unsigned int cpu); @@ -54,6 +55,10 @@ static inline int register_cpu_notifier(struct notifier_block *nb) static inline void unregister_cpu_notifier(struct notifier_block *nb) { } +static inline int current_in_cpu_hotplug(void) +{ + return 0; +} #endif /* CONFIG_SMP */ extern struct sysdev_class cpu_sysdev_class; |