/*

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#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_atomic(_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