1 /*
 2  * Copyright (c) 2006, 2020, 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.
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24 
25 #ifndef SHARE_GC_PARALLEL_PARALLELSCAVENGEHEAP_INLINE_HPP
26 #define SHARE_GC_PARALLEL_PARALLELSCAVENGEHEAP_INLINE_HPP
27 
28 #include "gc/parallel/parallelScavengeHeap.hpp"
29 
30 #include "gc/parallel/psParallelCompact.inline.hpp"
31 #include "gc/parallel/psScavenge.hpp"
32 
33 inline size_t ParallelScavengeHeap::total_invocations() {
34   return PSParallelCompact::total_invocations();
35 }
36 
37 inline bool ParallelScavengeHeap::should_alloc_in_eden(const size_t size) const {
38   const size_t eden_size = young_gen()->eden_space()->capacity_in_words();
39   return size < eden_size / 2;
40 }
41 
42 inline void ParallelScavengeHeap::invoke_scavenge() {
43   PSScavenge::invoke();
44 }
45 
46 inline bool ParallelScavengeHeap::is_in_young(oop p) {
47   // Assumes the the old gen address range is lower than that of the young gen.
48   bool result = cast_from_oop<HeapWord*>(p) >= young_gen()->reserved().start();
49   assert(result == young_gen()->is_in_reserved(p),
50          "incorrect test - result=%d, p=" PTR_FORMAT, result, p2i((void*)p));
51   return result;
52 }
53 #endif // SHARE_GC_PARALLEL_PARALLELSCAVENGEHEAP_INLINE_HPP