--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/services/epsilonMemoryPool.hpp	Mon Nov 06 18:53:38 2017 +0100
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2017, Red Hat, Inc. and/or its affiliates.
+ *
+ * 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_SERVICES_EPSILON_COLLECTORPOLICY_HPP
+#define SHARE_VM_SERVICES_EPSILON_COLLECTORPOLICY_HPP
+
+#include "utilities/macros.hpp"
+#if INCLUDE_ALL_GCS
+#include "gc/epsilon/epsilonCollectedHeap.hpp"
+#include "services/memoryPool.hpp"
+#include "services/memoryUsage.hpp"
+#endif // INCLUDE_ALL_GCS
+
+class EpsilonDummyMemoryPool : public CollectedMemoryPool {
+public:
+  EpsilonDummyMemoryPool();
+  MemoryUsage get_memory_usage()      { return MemoryUsage(0, 0, 0, 0); }
+  size_t used_in_bytes()              { return 0; }
+  size_t max_size() const             { return 0; }
+};
+
+class EpsilonMemoryPool : public CollectedMemoryPool {
+private:
+  const static size_t _undefined_max = (size_t) -1;
+  EpsilonCollectedHeap* _heap;
+
+public:
+  EpsilonMemoryPool(EpsilonCollectedHeap* heap);
+
+  size_t committed_in_bytes() {
+    return _heap->capacity();
+  }
+  size_t used_in_bytes() {
+    return _heap->used();
+  }
+  size_t max_size() const {
+    return _heap->max_capacity();
+  }
+  MemoryUsage get_memory_usage();
+};
+
+#endif // SHARE_VM_SERVICES_EPSILON_COLLECTORPOLICY_HPP