linux-vybrid_public/include/asm-x86/cpu.h

#ifndef _ASM_I386_CPU_H_
#define _ASM_I386_CPU_H_

#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/topology.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>

struct i386_cpu {
	struct cpu cpu;
};
extern int arch_register_cpu(int num);
#ifdef CONFIG_HOTPLUG_CPU
extern void arch_unregister_cpu(int);
extern int enable_cpu_hotplug;
#else
#define enable_cpu_hotplug	0
#endif

DECLARE_PER_CPU(int, cpu_state);
#endif /* _ASM_I386_CPU_H_ */