kprobe_prev = current_kprobe; kprobe_status_prev = kprobe_status; 
kcb->prev_kprobe.kp = kprobe_running(); kcb->prev_kprobe.status = kcb->kprobe_status; 
static inline void save_previous_kprobe(void){	kprobe_prev = current_kprobe;	kprobe_status_prev = kprobe_status;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/8a5c4dc5e5d72b7802f5647082ccf3861a94f013/kprobes.c/buggy/arch/ia64/kernel/kprobes.c