diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 33b80ce..96a6f80 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -196,6 +196,7 @@
 extern char *task_show_regs(struct task_struct *task, char *buffer);
 
 extern void show_registers(struct pt_regs *regs);
+extern void show_code(struct pt_regs *regs);
 extern void show_trace(struct task_struct *task, unsigned long *sp);
 
 unsigned long get_wchan(struct task_struct *p);