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 30 inline 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 44 inline 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 52 inline 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