59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*
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* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef SHARE_GC_Z_ZMARKCACHE_INLINE_HPP
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#define SHARE_GC_Z_ZMARKCACHE_INLINE_HPP
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#include "gc/z/zMarkCache.hpp"
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#include "gc/z/zPage.inline.hpp"
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inline void ZMarkCacheEntry::inc_live(ZPage* page, size_t bytes) {
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if (_page == page) {
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// Cache hit
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_objects++;
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_bytes += bytes;
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} else {
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// Cache miss
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evict();
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_page = page;
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_objects = 1;
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_bytes = bytes;
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}
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}
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inline void ZMarkCacheEntry::evict() {
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if (_page != NULL) {
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// Write cached data out to page
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_page->inc_live(_objects, _bytes);
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_page = NULL;
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}
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}
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inline void ZMarkCache::inc_live(ZPage* page, size_t bytes) {
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const size_t mask = ZMarkCacheSize - 1;
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const size_t index = (page->start() >> _shift) & mask;
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_cache[index].inc_live(page, bytes);
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}
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#endif // SHARE_GC_Z_ZMARKCACHE_INLINE_HPP
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