#define __get_user_regs(x) (((struct pt_regs *)((unsigned long)(x) + THREAD_SIZE - 8)) - 1)
extern struct thread_info *alloc_thread_info(struct task_struct *task);
#define __get_user_regs(x) (((struct pt_regs *)((unsigned long)(x) + THREAD_SIZE - 8)) - 1)
extern struct thread_info *alloc_thread_info(struct task_struct *task);