1 /*

     2  * Copyright (c) 2018, 2019, 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 

    25 #ifndef SHARE_GC_G1_G1HETEROGENEOUSCOLLECTORPOLICY_HPP

    26 #define SHARE_GC_G1_G1HETEROGENEOUSCOLLECTORPOLICY_HPP

    27 

    28 #include "gc/g1/g1CollectorPolicy.hpp"

    29 #include "gc/g1/g1HeterogeneousHeapYoungGenSizer.hpp"

    30 

    31 class G1HeterogeneousCollectorPolicy : public G1CollectorPolicy {

    32 private:

    33   // Max fraction of dram to use for young generation when MaxRAMFraction and

    34   // MaxRAMPercentage are not specified on commandline.

    35   static const double MaxRamFractionForYoung;

    36   static size_t MaxMemoryForYoung;

    37 

    38 protected:

    39   virtual void initialize_flags();

    40 

    41 public:

    42   G1HeterogeneousCollectorPolicy() {}

    43   virtual size_t heap_reserved_size_bytes() const;

    44   virtual bool is_heterogeneous_heap() const;

    45   static size_t reasonable_max_memory_for_young();

    46 };

    47 

    48 #endif // SHARE_GC_G1_G1HETEROGENEOUSCOLLECTORPOLICY_HPP