diff -Nupr src.orig/fs/proc/proc_sysctl.c src/fs/proc/proc_sysctl.c
--- src.orig/fs/proc/proc_sysctl.c	2016-11-30 19:51:03.949178250 +0000
+++ src/fs/proc/proc_sysctl.c	2016-11-30 19:51:20.930178250 +0000
@@ -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);
 }