diff --git a/kernel/fork.c b/kernel/fork.c
index 3311231..f6e66b7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1461,10 +1461,18 @@ static void posix_cpu_timers_init_group(struct signal_struct *sig)
 static inline void posix_cpu_timers_init_group(struct signal_struct *sig) { }
 #endif
 
+void kpatch_foo(void)
+{
+	if (!jiffies)
+		printk("kpatch copy signal\n");
+}
+
 static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 {
 	struct signal_struct *sig;
 
+	kpatch_foo();
+
 	if (clone_flags & CLONE_THREAD)
 		return 0;