--- a/hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp	Thu Dec 17 23:36:28 2015 +0000
+++ b/hotspot/src/cpu/x86/vm/globalDefinitions_x86.hpp	Fri Dec 18 12:39:02 2015 -0800
@@ -61,4 +61,8 @@
 #define INCLUDE_RTM_OPT 1
 #endif
 
+#if defined(LINUX) || defined(SOLARIS) || defined(__APPLE__)
+#define SUPPORT_RESERVED_STACK_AREA
+#endif
+
 #endif // CPU_X86_VM_GLOBALDEFINITIONS_X86_HPP