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 #include "precompiled.hpp"

    25 #include "gc/z/zMarkCache.inline.hpp"

    26 #include "utilities/globalDefinitions.hpp"

    27 

    28 ZMarkCacheEntry::ZMarkCacheEntry() :

    29     _page(NULL),

    30     _objects(0),

    31     _bytes(0) {}

    32 

    33 ZMarkCache::ZMarkCache(size_t nstripes) :

    34     _shift(ZMarkStripeShift + exact_log2(nstripes)) {}

    35 

    36 ZMarkCache::~ZMarkCache() {

    37   // Evict all entries

    38   for (size_t i = 0; i < ZMarkCacheSize; i++) {

    39     _cache[i].evict();

    40   }

    41 }