diff -Nupr src.orig/fs/proc/proc_sysctl.c src/fs/proc/proc_sysctl.c

--- src.orig/fs/proc/proc_sysctl.c	2017-09-22 15:27:21.698056175 -0400

+++ src/fs/proc/proc_sysctl.c	2017-09-22 15:27:28.670085046 -0400

@@ -24,6 +24,7 @@ void proc_sys_poll_notify(struct ctl_tab

 	if (!poll)

 		return;

+	printk("kpatch-test: testing gcc .isra function name mangling\n");

 	atomic_inc(&poll->event);

 	wake_up_interruptible(&poll->wait);

 }