1 /* 2 * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_MEMORY_METASPACE_CHUNKALLOCSEQUENCE_HPP 26 #define SHARE_MEMORY_METASPACE_CHUNKALLOCSEQUENCE_HPP 27 28 #include "memory/metaspace.hpp" // For Metaspace::MetaspaceType 29 #include "memory/metaspace/chunkLevel.hpp" 30 31 namespace metaspace { 32 33 34 class ChunkAllocSequence { 35 public: 36 37 virtual chklvl_t get_next_chunk_level(int num_allocated) const = 0; 38 39 // Given a space type, return the correct allocation sequence to use. 40 // The returned object is static and read only. 41 static const ChunkAllocSequence* alloc_sequence_by_space_type(Metaspace::MetaspaceType space_type, bool is_class); 42 43 }; 44 45 46 } // namespace metaspace 47 48 #endif // SHARE_MEMORY_METASPACE_CHUNKALLOCSEQUENCE_HPP