--- old/src/share/vm/runtime/globals.hpp	2018-01-24 21:13:47.569909111 -0500
+++ new/src/share/vm/runtime/globals.hpp	2018-01-24 21:13:47.513909113 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, 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
@@ -1124,6 +1124,10 @@
           "Use detached threads that are recycled upon termination "        \
           "(for Solaris only)")                                             \
                                                                             \
+  experimental(bool, DisablePrimordialThreadGuardPages, false,              \
+               "Disable the use of stack guard pages if the JVM is loaded " \
+               "on the primordial process thread")                          \
+                                                                            \
   product(bool, UseLWPSynchronization, true,                                \
           "Use LWP-based instead of libthread-based synchronization "       \
           "(SPARC only)")                                                   \