#include <linux/node.h>
#include <linux/compiler.h>
#include <linux/cpumask.h>
-#include <asm/semaphore.h>
#include <linux/mutex.h>
struct cpu {
int cpu_up(unsigned int cpu);
+extern void cpu_hotplug_init(void);
+
#else
static inline int register_cpu_notifier(struct notifier_block *nb)
{
return 0;
}
+
static inline void unregister_cpu_notifier(struct notifier_block *nb)
{
}
+static inline void cpu_hotplug_init(void)
+{
+}
+
#endif /* CONFIG_SMP */
extern struct sysdev_class cpu_sysdev_class;
-extern void cpu_hotplug_init(void);
extern void cpu_maps_update_begin(void);
extern void cpu_maps_update_done(void);