author | pliden |
Mon, 18 Mar 2019 11:50:40 +0100 | |
changeset 54170 | 8f1771ea1e39 |
parent 50525 | 767cdb97f103 |
child 54618 | 152c6c501ba5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2017, 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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#ifndef SHARE_GC_Z_ZPAGECACHE_HPP |
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#define SHARE_GC_Z_ZPAGECACHE_HPP |
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#include "gc/z/zList.hpp" |
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#include "gc/z/zPage.hpp" |
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#include "gc/z/zValue.hpp" |
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#include "memory/allocation.hpp" |
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class ZPageCache { |
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private: |
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size_t _available; |
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ZPerNUMA<ZList<ZPage> > _small; |
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ZList<ZPage> _medium; |
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ZList<ZPage> _large; |
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ZPage* alloc_small_page(); |
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ZPage* alloc_medium_page(); |
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ZPage* alloc_large_page(size_t size); |
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void flush_list(ZList<ZPage>* from, size_t requested, ZList<ZPage>* to, size_t* flushed); |
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void flush_per_numa_lists(ZPerNUMA<ZList<ZPage> >* from, size_t requested, ZList<ZPage>* to, size_t* flushed); |
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public: |
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ZPageCache(); |
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size_t available() const; |
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ZPage* alloc_page(uint8_t type, size_t size); |
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void free_page(ZPage* page); |
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void flush(ZList<ZPage>* to, size_t requested); |
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}; |
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#endif // SHARE_GC_Z_ZPAGECACHE_HPP |