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

--- src/kernel/fork.c	2020-03-11 11:23:30.438682903 +0000

+++ src/kernel/fork.c	2020-03-11 11:41:01.567796732 +0000

@@ -1524,10 +1524,18 @@ static void posix_cpu_timers_init_group(

 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;