1/*
2 * Copyright (c) 2016, 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#ifndef SHARE_GC_Z_ZMARKCACHE_INLINE_HPP
25#define SHARE_GC_Z_ZMARKCACHE_INLINE_HPP
26
27#include "gc/z/zMarkCache.hpp"
28#include "gc/z/zPage.inline.hpp"
29
30inline void ZMarkCacheEntry::inc_live(ZPage* page, size_t bytes) {
31 if (_page == page) {
32 // Cache hit
33 _objects++;
34 _bytes += bytes;
35 } else {
36 // Cache miss
37 evict();
38 _page = page;
39 _objects = 1;
40 _bytes = bytes;
41 }
42}
43
44inline void ZMarkCacheEntry::evict() {
45 if (_page != NULL) {
46 // Write cached data out to page
47 _page->inc_live_atomic(_objects, _bytes);
48 _page = NULL;
49 }
50}
51
52inline void ZMarkCache::inc_live(ZPage* page, size_t bytes) {
53 const size_t mask = ZMarkCacheSize - 1;
54 const size_t index = (page->start() >> _shift) & mask;
55 _cache[index].inc_live(page, bytes);
56}
57
58#endif // SHARE_GC_Z_ZMARKCACHE_INLINE_HPP
59