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src/hotspot/share/gc/parallel/heterogeneousGenerationSizer.hpp
author lkorinth
Mon, 25 Mar 2019 14:46:55 +0100
changeset 54264 41af8d0546bc
parent 53244 9807daeb47c4
permissions -rw-r--r--
8221260: Initialize more class members on construction, remove some unused ones Reviewed-by: kbarrett, tschatzl
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/*
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 * Copyright (c) 2018, 2019, 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_GC_PARALLEL_HETEROGENEOUSGENERATIONSIZER_HPP













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#define SHARE_GC_PARALLEL_HETEROGENEOUSGENERATIONSIZER_HPP








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#include "gc/parallel/generationSizer.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 HeterogeneousGenerationSizer : public GenerationSizer {













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private:













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  // Max fraction of dram to use for young generation when MaxRAMFraction and













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  // MaxRAMPercentage are not specified on commandline.













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  static const double MaxRamFractionForYoung;













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protected:













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  virtual void initialize_flags();













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public:













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  virtual size_t heap_reserved_size_bytes() const;













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  virtual bool is_hetero_heap() const;













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};








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#endif // SHARE_GC_PARALLEL_HETEROGENEOUSGENERATIONSIZER_HPP















jdk-sandbox