src/hotspot/share/memory/metaspace/chunkAllocSequence.hpp
author stuefe
Tue, 10 Sep 2019 09:24:05 +0200
branchstuefe-new-metaspace-branch
changeset 58063 bdf136b8ae0e
permissions -rw-r--r--
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/*
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 * Copyright (c) 2019, SAP SE. All rights reserved.
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 * Copyright (c) 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_MEMORY_METASPACE_CHUNKALLOCSEQUENCE_HPP
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#define SHARE_MEMORY_METASPACE_CHUNKALLOCSEQUENCE_HPP
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#include "memory/metaspace.hpp" // For Metaspace::MetaspaceType
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#include "memory/metaspace/chunkLevel.hpp"
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#include "memory/metaspace/metaspaceEnums.hpp"
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namespace metaspace {
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class ChunkAllocSequence {
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public:
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  virtual chklvl_t get_next_chunk_level(int num_allocated) const = 0;
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  // Given a space type, return the correct allocation sequence to use.
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  // The returned object is static and read only.
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  static const ChunkAllocSequence* alloc_sequence_by_space_type(MetaspaceType space_type, bool is_class);
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};
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} // namespace metaspace
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#endif // SHARE_MEMORY_METASPACE_CHUNKALLOCSEQUENCE_HPP