--- /dev/null	2018-06-10 19:57:01.244702788 +0200
+++ new/src/hotspot/share/gc/epsilon/epsilonMemoryPool.hpp	2018-06-12 10:45:46.074949623 +0200
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
+ *
+ * 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_GC_EPSILON_EPSILONMEMORYPOOL_HPP
+#define SHARE_VM_GC_EPSILON_EPSILONMEMORYPOOL_HPP
+
+#include "gc/epsilon/epsilonHeap.hpp"
+#include "services/memoryPool.hpp"
+#include "services/memoryUsage.hpp"
+#include "utilities/macros.hpp"
+
+class EpsilonMemoryPool : public CollectedMemoryPool {
+private:
+  EpsilonHeap* _heap;
+
+public:
+  EpsilonMemoryPool(EpsilonHeap* 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_GC_EPSILON_EPSILONMEMORYPOOL_HPP