--- a/src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp	Thu Oct 16 10:21:29 2014 +0200
+++ b/src/share/vm/gc_implementation/shared/mutableNUMASpace.cpp	Wed Oct 15 16:02:50 2014 +0200
@@ -1,6 +1,6 @@
 
 /*
- * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2014, 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
@@ -30,6 +30,8 @@
 #include "oops/oop.inline.hpp"
 #include "runtime/thread.inline.hpp"
 
+PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
+
 MutableNUMASpace::MutableNUMASpace(size_t alignment) : MutableSpace(alignment) {
   _lgrp_spaces = new (ResourceObj::C_HEAP, mtGC) GrowableArray<LGRPSpace*>(0, true);
   _page_size = os::vm_page_size();
@@ -173,6 +175,26 @@
   return lgrp_spaces()->at(i)->space()->capacity_in_bytes();
 }
 
+size_t MutableNUMASpace::tlab_used(Thread *thr) const {
+  // Please see the comments for tlab_capacity().
+  guarantee(thr != NULL, "No thread");
+  int lgrp_id = thr->lgrp_id();
+  if (lgrp_id == -1) {
+    if (lgrp_spaces()->length() > 0) {
+      return (used_in_bytes()) / lgrp_spaces()->length();
+    } else {
+      assert(false, "There should be at least one locality group");
+      return 0;
+    }
+  }
+  int i = lgrp_spaces()->find(&lgrp_id, LGRPSpace::equals);
+  if (i == -1) {
+    return 0;
+  }
+  return lgrp_spaces()->at(i)->space()->used_in_bytes();
+}
+
+
 size_t MutableNUMASpace::unsafe_max_tlab_alloc(Thread *thr) const {
   // Please see the comments for tlab_capacity().
   guarantee(thr != NULL, "No thread");