src/hotspot/share/gc/parallel/generationSizer.hpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
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child 49050 170c7b36aea6
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/*
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 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_GC_PARALLEL_GENERATIONSIZER_HPP
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#define SHARE_VM_GC_PARALLEL_GENERATIONSIZER_HPP
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#include "gc/shared/collectorPolicy.hpp"
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// There is a nice batch of tested generation sizing code in
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// GenCollectorPolicy. Lets reuse it!
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class GenerationSizer : public GenCollectorPolicy {
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 private:
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  // The alignment used for boundary between young gen and old gen
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  static size_t default_gen_alignment() { return 64 * K * HeapWordSize; }
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 protected:
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  void initialize_alignments();
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  void initialize_flags();
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  void initialize_size_info();
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 public:
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  // We don't have associated counters and complain if this is invoked.
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  void initialize_gc_policy_counters() {
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    ShouldNotReachHere();
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  }
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};
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#endif // SHARE_VM_GC_PARALLEL_GENERATIONSIZER_HPP