diff -Nupr src.orig/kernel/fork.c src/kernel/fork.c

--- src.orig/kernel/fork.c	2016-12-15 19:56:00.184000000 +0000

+++ src/kernel/fork.c	2016-12-15 19:58:13.588000000 +0000

@@ -1143,10 +1143,18 @@ static void posix_cpu_timers_init_group(

 	INIT_LIST_HEAD(&sig->cpu_timers[2]);

 }

+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;