--- /dev/null	2018-05-14 10:08:09.016338956 +0200
+++ new/src/hotspot/share/gc/epsilon/epsilonArguments.cpp	2018-05-21 15:02:13.085312976 +0200
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2017, 2018, Red Hat, Inc. 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.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "gc/epsilon/epsilonArguments.hpp"
+#include "gc/epsilon/epsilonHeap.hpp"
+#include "gc/epsilon/epsilonCollectorPolicy.hpp"
+#include "gc/shared/gcArguments.inline.hpp"
+#include "runtime/globals.hpp"
+#include "runtime/globals_extension.hpp"
+#include "runtime/vm_version.hpp"
+
+size_t EpsilonArguments::conservative_max_heap_alignment() {
+  return UseLargePages ? os::large_page_size() : os::vm_page_size();
+}
+
+void EpsilonArguments::initialize() {
+  GCArguments::initialize();
+
+  assert(UseEpsilonGC, "Sanity");
+
+  // Forcefully exit when OOME is detected. Nothing we can do at that point.
+  if (FLAG_IS_DEFAULT(ExitOnOutOfMemoryError)) {
+    FLAG_SET_DEFAULT(ExitOnOutOfMemoryError, true);
+  }
+
+#if INCLUDE_EPSILONGC
+  if (EpsilonMaxTLABSize < MinTLABSize) {
+    warning("EpsilonMaxTLABSize < MinTLABSize, adjusting it to " SIZE_FORMAT, MinTLABSize);
+    EpsilonMaxTLABSize = MinTLABSize;
+  }
+
+  if (!EpsilonElasticTLAB && EpsilonElasticTLABDecay) {
+    warning("Disabling EpsilonElasticTLABDecay because EpsilonElasticTLAB is disabled");
+    FLAG_SET_DEFAULT(EpsilonElasticTLABDecay, false);
+  }
+#endif
+
+#ifdef COMPILER2
+  // Enable loop strip mining: there are still non-GC safepoints, no need to make it worse
+  if (FLAG_IS_DEFAULT(UseCountedLoopSafepoints)) {
+    FLAG_SET_DEFAULT(UseCountedLoopSafepoints, true);
+    if (FLAG_IS_DEFAULT(LoopStripMiningIter)) {
+      FLAG_SET_DEFAULT(LoopStripMiningIter, 1000);
+    }
+  }
+#endif
+}
+
+CollectedHeap* EpsilonArguments::create_heap() {
+  return create_heap_with_policy<EpsilonHeap, EpsilonCollectorPolicy>();
+}