--- zzzz-none-000/linux-4.4.60/arch/arm64/kernel/return_address.c	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/arch/arm64/kernel/return_address.c	2021-02-04 17:41:59.000000000 +0000
@@ -12,6 +12,7 @@
 #include <linux/export.h>
 #include <linux/ftrace.h>
 
+#include <asm/stack_pointer.h>
 #include <asm/stacktrace.h>
 
 struct return_address_data {