diff -r fd6f55561f34 -r 264727307495 hotspot/src/cpu/x86/vm/globals_x86.hpp
--- a/hotspot/src/cpu/x86/vm/globals_x86.hpp	Tue Mar 15 09:07:49 2011 -0700
+++ b/hotspot/src/cpu/x86/vm/globals_x86.hpp	Wed Mar 16 10:37:08 2011 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2011, 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
@@ -72,4 +72,6 @@
 
 define_pd_global(bool, UseMembar,            false);
 
+// GC Ergo Flags
+define_pd_global(intx, CMSYoungGenPerWorker, 64*M);  // default max size of CMS young gen, per GC worker thread
 #endif // CPU_X86_VM_GLOBALS_X86_HPP