1 /*
2 * Copyright (c) 2001, 2018, 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 *
43 // not been set up at this point since they should be aligned with
44 // the region size. So, there is a circular dependency here. We base
45 // the region size on the heap size, but the heap size should be
46 // aligned with the region size. To get around this we use the
47 // unaligned values for the heap.
48 HeapRegion::setup_heap_region_size(InitialHeapSize, MaxHeapSize);
49 HeapRegionRemSet::setup_remset_size();
50 }
51
52 void G1CollectorPolicy::initialize_alignments() {
53 _space_alignment = HeapRegion::GrainBytes;
54 size_t card_table_alignment = CardTableRS::ct_max_alignment_constraint();
55 size_t page_size = UseLargePages ? os::large_page_size() : os::vm_page_size();
56 _heap_alignment = MAX3(card_table_alignment, _space_alignment, page_size);
57 }
58
59 size_t G1CollectorPolicy::heap_reserved_size_bytes() const {
60 return _max_heap_byte_size;
61 }
62
63 bool G1CollectorPolicy::is_hetero_heap() const {
64 return false;
65 }
|
1 /*
2 * Copyright (c) 2001, 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 *
43 // not been set up at this point since they should be aligned with
44 // the region size. So, there is a circular dependency here. We base
45 // the region size on the heap size, but the heap size should be
46 // aligned with the region size. To get around this we use the
47 // unaligned values for the heap.
48 HeapRegion::setup_heap_region_size(InitialHeapSize, MaxHeapSize);
49 HeapRegionRemSet::setup_remset_size();
50 }
51
52 void G1CollectorPolicy::initialize_alignments() {
53 _space_alignment = HeapRegion::GrainBytes;
54 size_t card_table_alignment = CardTableRS::ct_max_alignment_constraint();
55 size_t page_size = UseLargePages ? os::large_page_size() : os::vm_page_size();
56 _heap_alignment = MAX3(card_table_alignment, _space_alignment, page_size);
57 }
58
59 size_t G1CollectorPolicy::heap_reserved_size_bytes() const {
60 return _max_heap_byte_size;
61 }
62
63 bool G1CollectorPolicy::is_heap_heterogeneous() const {
64 return false;
65 }
|