diff -r 8119c543f2af -r 402618d5afc9 src/share/vm/runtime/vm_version.hpp
--- a/src/share/vm/runtime/vm_version.hpp	Wed Aug 13 10:44:50 2014 +0200
+++ b/src/share/vm/runtime/vm_version.hpp	Fri Mar 17 03:39:23 2017 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -42,6 +42,7 @@
   static bool         _supports_atomic_getadd4;
   static bool         _supports_atomic_getadd8;
   static unsigned int _logical_processors_per_package;
+  static unsigned int _L1_data_cache_line_size;
   static int          _vm_major_version;
   static int          _vm_minor_version;
   static int          _vm_build_number;
@@ -114,6 +115,10 @@
     return _logical_processors_per_package;
   }
 
+  static unsigned int L1_data_cache_line_size() {
+    return _L1_data_cache_line_size;
+  }
+
   // Need a space at the end of TLAB for prefetch instructions
   // which may fault when accessing memory outside of heap.
   static int reserve_for_allocation_prefetch() {