--- zzzz-none-000/linux-4.9.231/include/linux/kernel.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5530-730/linux-4.9.231/include/linux/kernel.h	2022-08-31 08:19:49.000000000 +0000
@@ -269,6 +269,13 @@
 void do_exit(long error_code) __noreturn;
 void complete_and_exit(struct completion *, long) __noreturn;
 
+#ifdef CONFIG_ARCH_HAS_REFCOUNT
+void refcount_error_report(struct pt_regs *regs, const char *err);
+#else
+static inline void refcount_error_report(struct pt_regs *regs, const char *err)
+{ }
+#endif
+
 /* Internal, do not use. */
 int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res);
 int __must_check _kstrtol(const char *s, unsigned int base, long *res);