--- old/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	2018-01-26 00:12:33.171196938 -0500
+++ new/src/os_cpu/linux_x86/vm/os_linux_x86.cpp	2018-01-26 00:12:33.119196941 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 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
@@ -712,8 +712,8 @@
 //    pthread_attr_getstack()
 
 static void current_stack_region(address * bottom, size_t * size) {
-  if (os::Linux::is_initial_thread()) {
-     // initial thread needs special handling because pthread_getattr_np()
+  if (os::is_primordial_thread()) {
+     // primordial thread needs special handling because pthread_getattr_np()
      // may return bogus value.
      *bottom = os::Linux::initial_thread_stack_bottom();
      *size   = os::Linux::initial_thread_stack_size();