diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 89921a0..199b1d7 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -48,6 +48,7 @@ void proc_sys_poll_notify(struct ctl_table_poll *poll)
 	if (!poll)
 		return;
 
+	printk("kpatch-test: testing gcc .isra function name mangling\n");
 	atomic_inc(&poll->event);
 	wake_up_interruptible(&poll->wait);
 }