--- zzzz-none-000/linux-3.10.107/arch/score/mm/cache.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/score/mm/cache.c	2021-02-04 17:41:59.000000000 +0000
@@ -72,6 +72,7 @@
 	addr = (unsigned long) page_address(page);
 	flush_data_cache_page(addr);
 }
+EXPORT_SYMBOL(flush_dcache_page);
 
 /* called by update_mmu_cache. */
 void __update_cache(struct vm_area_struct *vma, unsigned long address,
@@ -277,3 +278,4 @@
 		start += L1_CACHE_BYTES;
 	}
 }
+EXPORT_SYMBOL(flush_icache_range);