--- a/src/hotspot/share/gc/z/zGlobals.hpp	Tue Dec 11 11:29:28 2018 +0100
+++ b/src/hotspot/share/gc/z/zGlobals.hpp	Tue Dec 11 11:08:39 2018 +0100
@@ -91,6 +91,9 @@
 const uintptr_t   ZAddressSpaceSize             = ZPlatformAddressSpaceSize;
 const uintptr_t   ZAddressSpaceEnd              = ZAddressSpaceStart + ZAddressSpaceSize;
 
+// NMethod entry barrier
+const size_t      ZNMethodDisarmedOffset        = ZPlatformNMethodDisarmedOffset;
+
 // Cache line size
 const size_t      ZCacheLineSize                = ZPlatformCacheLineSize;