diff --git a/storage/innobase/include/ut0counter.h b/storage/innobase/include/ut0counter.h
index 1e3008a..6b8f80c 100644
--- a/storage/innobase/include/ut0counter.h
+++ b/storage/innobase/include/ut0counter.h
@@ -32,11 +32,11 @@ Created 2012/04/12 by Sunny Bains
 #include "os0thread.h"
 
 /** CPU cache line size */
-#ifdef __powerpc__
+#if defined(__powerpc__) || defined(__aarch64__)
 #define CACHE_LINE_SIZE		128
 #else
 #define CACHE_LINE_SIZE		64
-#endif /* __powerpc__ */
+#endif /* __powerpc__ && __aarch64__*/
 
 /** Default number of slots to use in ib_counter_t */
 #define IB_N_SLOTS		64
diff --git a/storage/ndb/memcache/include/ndbmemcache_global.h b/storage/ndb/memcache/include/ndbmemcache_global.h
index b94da82..9975ad2 100644
--- a/storage/ndb/memcache/include/ndbmemcache_global.h
+++ b/storage/ndb/memcache/include/ndbmemcache_global.h
@@ -33,8 +33,12 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 #define END_FUNCTIONS_WITH_C_LINKAGE
 #endif
 
-/* CPU cache line size; a constant 64 for now.  */
-#define CACHE_LINE_SIZE 64
+/** CPU cache line size */
+#if defined(__powerpc__) || defined(__aarch64__)
+#define CACHE_LINE_SIZE         128
+#else
+#define CACHE_LINE_SIZE         64
+#endif /* __powerpc__ && __aarch64__*/
 
 /* A memcached constant; also defined in default_engine.h */
 #define POWER_LARGEST  200