--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/classfile/classLoaderDataGraph.inline.hpp	Fri Sep 28 16:07:39 2018 -0400
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2018, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
+#define SHARE_VM_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
+
+#include "classfile/classLoaderDataGraph.hpp"
+#include "classfile/javaClasses.hpp"
+#include "oops/oop.inline.hpp"
+#include "runtime/atomic.hpp"
+
+inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader) {
+  guarantee(loader() != NULL && oopDesc::is_oop(loader()), "Loader must be oop");
+  // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
+  // it's already in the loader_data, so no need to add
+  ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data_acquire(loader());
+  if (loader_data) {
+     return loader_data;
+  }
+  return ClassLoaderDataGraph::add(loader, false);
+}
+
+size_t ClassLoaderDataGraph::num_instance_classes() {
+  return _num_instance_classes;
+}
+
+size_t ClassLoaderDataGraph::num_array_classes() {
+  return _num_array_classes;
+}
+
+void ClassLoaderDataGraph::inc_instance_classes(size_t count) {
+  Atomic::add(count, &_num_instance_classes);
+}
+
+void ClassLoaderDataGraph::dec_instance_classes(size_t count) {
+  assert(count <= _num_instance_classes, "Sanity");
+  Atomic::sub(count, &_num_instance_classes);
+}
+
+void ClassLoaderDataGraph::inc_array_classes(size_t count) {
+  Atomic::add(count, &_num_array_classes);
+}
+
+void ClassLoaderDataGraph::dec_array_classes(size_t count) {
+  assert(count <= _num_array_classes, "Sanity");
+  Atomic::sub(count, &_num_array_classes);
+}
+
+bool ClassLoaderDataGraph::should_clean_metaspaces_and_reset() {
+  // Only clean metaspaces after full GC.
+  bool do_cleaning = _safepoint_cleanup_needed;
+#if INCLUDE_JVMTI
+  do_cleaning = do_cleaning && (_should_clean_deallocate_lists || InstanceKlass::has_previous_versions());
+#else
+  do_cleaning = do_cleaning && _should_clean_deallocate_lists;
+#endif
+  _safepoint_cleanup_needed = false;  // reset
+  return do_cleaning;
+}
+
+#endif // SHARE_VM_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP