rev 48000 : [mq]: open.patch
rev 48001 : [mq]: 8191564-diff.patch
1 /*
2 * Copyright (c) 2017, 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 #include "precompiled.hpp"
26 #include "gc/serial/defNewGeneration.hpp"
27 #include "gc/serial/serialHeap.hpp"
28 #include "gc/shared/genMemoryPools.hpp"
29 #include "services/memoryManager.hpp"
30
31 SerialHeap::SerialHeap(GenCollectorPolicy* policy) :
32 GenCollectedHeap(policy), _eden_pool(NULL), _survivor_pool(NULL), _old_pool(NULL) {
33 _young_manager = new GCMemoryManager("Copy", "end of minor GC");
34 _old_manager = new GCMemoryManager("MarkSweepCompact", "end of major GC");
35 }
36
37 jint SerialHeap::initialize() {
38 jint status = GenCollectedHeap::initialize();
39 if (status != JNI_OK) return status;
40
41 DefNewGeneration* young = (DefNewGeneration*) young_gen();
42
43 // Add a memory pool for each space and young gen doesn't
44 // support low memory detection as it is expected to get filled up.
45 _eden_pool = new ContiguousSpacePool(young->eden(),
46 "Eden Space",
47 young->max_eden_size(),
48 false /* support_usage_threshold */);
49 _survivor_pool = new SurvivorContiguousSpacePool(young,
50 "Survivor Space",
51 young->max_survivor_size(),
52 false /* support_usage_threshold */);
53 Generation* old = old_gen();
54 _old_pool = new GenerationPool(old, "Tenured Gen", true);
55
56 _young_manager->add_pool(_eden_pool);
57 _young_manager->add_pool(_survivor_pool);
58 young->set_gc_manager(_young_manager);
59
60 _old_manager->add_pool(_eden_pool);
61 _old_manager->add_pool(_survivor_pool);
62 _old_manager->add_pool(_old_pool);
63 old->set_gc_manager(_old_manager);
64
65 return JNI_OK;
66 }
67
68 void SerialHeap::check_gen_kinds() {
69 assert(young_gen()->kind() == Generation::DefNew,
70 "Wrong youngest generation type");
71 assert(old_gen()->kind() == Generation::MarkSweepCompact,
72 "Wrong generation kind");
73 }
74
75 GrowableArray<GCMemoryManager*> SerialHeap::memory_managers() {
76 GrowableArray<GCMemoryManager*> memory_managers(2);
77 memory_managers.append(_young_manager);
78 memory_managers.append(_old_manager);
79 return memory_managers;
80 }
81
82 GrowableArray<MemoryPool*> SerialHeap::memory_pools() {
83 GrowableArray<MemoryPool*> memory_pools(3);
84 memory_pools.append(_eden_pool);
85 memory_pools.append(_survivor_pool);
86 memory_pools.append(_old_pool);
87 return memory_pools;
88 }
--- EOF ---