--- old/src/share/vm/utilities/globalDefinitions.hpp	2021-01-25 19:31:07.724171542 +0000
+++ new/src/share/vm/utilities/globalDefinitions.hpp	2021-01-25 19:31:07.596170197 +0000
@@ -427,9 +427,17 @@
   ProfileRTM = 0x0  // Use RTM with abort ratio calculation
 };
 
+// The maximum size of the code cache.  Can be overridden by targets.
+#define CODE_CACHE_SIZE_LIMIT (2*G)
+// Allow targets to reduce the default size of the code cache.
+#define CODE_CACHE_DEFAULT_LIMIT CODE_CACHE_SIZE_LIMIT
+
 #ifdef TARGET_ARCH_x86
 # include "globalDefinitions_x86.hpp"
 #endif
+#ifdef TARGET_ARCH_aarch64
+# include "globalDefinitions_aarch64.hpp"
+#endif
 #ifdef TARGET_ARCH_sparc
 # include "globalDefinitions_sparc.hpp"
 #endif