--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/g1/jvmFlagConstraintsG1.hpp	Mon Apr 23 10:59:39 2018 -0500
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2015, 2016, 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_G1_COMMANDLINEFLAGCONSTRAINTSG1_HPP
+#define SHARE_GC_G1_COMMANDLINEFLAGCONSTRAINTSG1_HPP
+
+#include "runtime/globals.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+// G1 Flag Constraints
+JVMFlag::Error G1RSetRegionEntriesConstraintFunc(intx value, bool verbose);
+JVMFlag::Error G1RSetSparseRegionEntriesConstraintFunc(intx value, bool verbose);
+JVMFlag::Error G1HeapRegionSizeConstraintFunc(size_t value, bool verbose);
+JVMFlag::Error G1NewSizePercentConstraintFunc(uintx value, bool verbose);
+JVMFlag::Error G1MaxNewSizePercentConstraintFunc(uintx value, bool verbose);
+
+// G1 Subconstraints
+JVMFlag::Error MaxGCPauseMillisConstraintFuncG1(uintx value, bool verbose);
+JVMFlag::Error GCPauseIntervalMillisConstraintFuncG1(uintx value, bool verbose);
+JVMFlag::Error MaxSizeForHeapAlignmentG1(const char* name, size_t value, bool verbose);
+JVMFlag::Error NewSizeConstraintFuncG1(size_t value, bool verbose);
+
+size_t MaxSizeForHeapAlignmentG1();
+
+#endif // SHARE_GC_SHARED_COMMANDLINEFLAGCONSTRAINTSG1_HPP