diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/java.base/share/classes/sun/nio/ch/AllocatedNativeObject.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/nio/ch/AllocatedNativeObject.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2000, 2001, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+/*
+ */
+
+package sun.nio.ch;                                     // Formerly in sun.misc
+
+
+// ## In the fullness of time, this class will be eliminated
+
+class AllocatedNativeObject                             // package-private
+    extends NativeObject
+{
+
+    /**
+     * Allocates a memory area of at least {@code size} bytes outside of the
+     * Java heap and creates a native object for that area.
+     *
+     * @param  size
+     *         Number of bytes to allocate
+     *
+     * @param  pageAligned
+     *         If {@code true} then the area will be aligned on a hardware
+     *         page boundary
+     *
+     * @throws OutOfMemoryError
+     *         If the request cannot be satisfied
+     */
+    AllocatedNativeObject(int size, boolean pageAligned) {
+        super(size, pageAligned);
+    }
+
+    /**
+     * Frees the native memory area associated with this object.
+     */
+    synchronized void free() {
+        if (allocationAddress != 0) {
+            unsafe.freeMemory(allocationAddress);
+            allocationAddress = 0;
+        }
+    }
+
+}