Thu, 26 Jun 2014 11:36:58 +0200
8047818: G1 HeapRegions can no longer be ContiguousSpaces
Summary: Change parent of G1OffsetTableContigSpace to CompactibleSpace, reimplement missing functionality
Reviewed-by: stefank, jmasa, tschatzl
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef SHARE_VM_MEMORY_METASPACE_GC_THRESHOLD_UPDATER_HPP |
aoqi@0 | 26 | #define SHARE_VM_MEMORY_METASPACE_GC_THRESHOLD_UPDATER_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | #include "memory/allocation.hpp" |
aoqi@0 | 29 | #include "utilities/debug.hpp" |
aoqi@0 | 30 | |
aoqi@0 | 31 | class MetaspaceGCThresholdUpdater : public AllStatic { |
aoqi@0 | 32 | public: |
aoqi@0 | 33 | enum Type { |
aoqi@0 | 34 | ComputeNewSize, |
aoqi@0 | 35 | ExpandAndAllocate, |
aoqi@0 | 36 | Last |
aoqi@0 | 37 | }; |
aoqi@0 | 38 | |
aoqi@0 | 39 | static const char* to_string(MetaspaceGCThresholdUpdater::Type updater) { |
aoqi@0 | 40 | switch (updater) { |
aoqi@0 | 41 | case ComputeNewSize: |
aoqi@0 | 42 | return "compute_new_size"; |
aoqi@0 | 43 | case ExpandAndAllocate: |
aoqi@0 | 44 | return "expand_and_allocate"; |
aoqi@0 | 45 | default: |
aoqi@0 | 46 | assert(false, err_msg("Got bad updater: %d", (int) updater)); |
aoqi@0 | 47 | return NULL; |
aoqi@0 | 48 | }; |
aoqi@0 | 49 | } |
aoqi@0 | 50 | }; |
aoqi@0 | 51 | |
aoqi@0 | 52 | #endif // SHARE_VM_MEMORY_METASPACE_GC_THRESHOLD_UPDATER_HPP |