diff -drupN a/include/linux/kref.h b/include/linux/kref.h
--- a/include/linux/kref.h	2018-08-06 17:23:04.000000000 +0300
+++ b/include/linux/kref.h	2022-06-12 05:28:14.000000000 +0300
@@ -17,6 +17,7 @@
 
 #include <linux/bug.h>
 #include <linux/atomic.h>
+#include <linux/refcount.h>
 #include <linux/kernel.h>
 #include <linux/mutex.h>