diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 3305f33..21d0d82 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -240,7 +240,8 @@
 asmlinkage int printk(const char * fmt, ...)
 	__attribute__ ((format (printf, 1, 2))) __cold;
 
-extern int printk_ratelimit(void);
+extern int __printk_ratelimit(const char *func);
+#define printk_ratelimit() __printk_ratelimit(__func__)
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
 				   unsigned int interval_msec);