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