diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 3c11510663d2388904d1238153c2f8adf1e3553e..2d5abb0fe521c475ca92e8b71c7354a6e20afaae 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -461,12 +461,14 @@ char *log_buf_addr_get(void)
 {
 	return log_buf;
 }
+EXPORT_SYMBOL_GPL(log_buf_addr_get);
 
 /* Return log buffer size */
 u32 log_buf_len_get(void)
 {
 	return log_buf_len;
 }
+EXPORT_SYMBOL_GPL(log_buf_len_get);
 
 /* human readable text of the record */
 static char *log_text(const struct printk_log *msg)