#ifndef _ASM_IA64_CPU_H_#define _ASM_IA64_CPU_H_ #include <linux/device.h>#include <linux/cpu.h>#include <linux/topology.h>#include <linux/percpu.h> struct ia64_cpu {	struct cpu cpu;}; DECLARE_PER_CPU(struct ia64_cpu, cpu_devices); DECLARE_PER_CPU(int, cpu_state); extern int arch_register_cpu(int num);#ifdef CONFIG_HOTPLUG_CPUextern void arch_unregister_cpu(int);#endif #endif /* _ASM_IA64_CPU_H_ */