--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/z/zRelocationSet.inline.hpp	Tue Jun 12 17:40:28 2018 +0200
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2017, 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_GC_Z_ZRELOCATIONSET_INLINE_HPP
+#define SHARE_GC_Z_ZRELOCATIONSET_INLINE_HPP
+
+#include "gc/z/zRelocationSet.hpp"
+#include "runtime/atomic.hpp"
+
+template <bool parallel>
+inline ZRelocationSetIteratorImpl<parallel>::ZRelocationSetIteratorImpl(ZRelocationSet* relocation_set) :
+    _relocation_set(relocation_set),
+    _next(0) {}
+
+template <bool parallel>
+inline bool ZRelocationSetIteratorImpl<parallel>::next(ZPage** page) {
+  const size_t npages = _relocation_set->_npages;
+
+  if (parallel) {
+    if (_next < npages) {
+      const size_t next = Atomic::add(1u, &_next) - 1u;
+      if (next < npages) {
+        *page = _relocation_set->_pages[next];
+        return true;
+      }
+    }
+  } else {
+    if (_next < npages) {
+      *page = _relocation_set->_pages[_next++];
+      return true;
+    }
+  }
+
+  return false;
+}
+
+#endif // SHARE_GC_Z_ZRELOCATIONSET_INLINE_HPP