--- old/src/share/vm/logging/logTag.hpp	2016-01-27 02:08:28.648844267 -0500
+++ new/src/share/vm/logging/logTag.hpp	2016-01-27 02:08:26.600728659 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, 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
@@ -59,6 +59,7 @@
   LOG_TAG(marking) \
   LOG_TAG(metaspace) \
   LOG_TAG(monitorinflation) \
+  LOG_TAG(os) \
   LOG_TAG(phases) \
   LOG_TAG(plab) \
   LOG_TAG(promotion) \