static inline void save_previous_kprobe(void)
static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
static inline void save_previous_kprobe(void){	kprobe_prev = current_kprobe;	kprobe_status_prev = kprobe_status;	kprobe_old_rflags_prev = kprobe_old_rflags;	kprobe_saved_rflags_prev = kprobe_saved_rflags;}