--- zzzz-none-000/linux-3.10.107/arch/ia64/kernel/ia64_ksyms.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/ia64/kernel/ia64_ksyms.c	2021-02-04 17:41:59.000000000 +0000
@@ -96,3 +96,6 @@
 /* mcount is defined in assembly */
 EXPORT_SYMBOL(_mcount);
 #endif
+
+#include <asm/cacheflush.h>
+EXPORT_SYMBOL_GPL(flush_icache_range);