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

--- src.orig/fs/proc/proc_sysctl.c	2016-12-15 19:55:39.084000000 +0000

+++ src/fs/proc/proc_sysctl.c	2016-12-15 19:56:34.800000000 +0000

@@ -46,6 +46,7 @@ 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);

 }