--- zzzz-none-000/linux-3.10.107/arch/ia64/include/asm/sections.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/ia64/include/asm/sections.h	2021-02-04 17:41:59.000000000 +0000
@@ -10,7 +10,7 @@
 #include <linux/uaccess.h>
 #include <asm-generic/sections.h>
 
-extern char __per_cpu_start[], __per_cpu_end[], __phys_per_cpu_start[];
+extern char __phys_per_cpu_start[];
 #ifdef	CONFIG_SMP
 extern char __cpu0_per_cpu[];
 #endif