src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp

Thu, 27 May 2010 19:08:38 -0700

author
trims
date
Thu, 27 May 2010 19:08:38 -0700
changeset 1907
c18cbe5936b8
parent 435
a61af66fc99e
child 2314
f95d63e2154a
permissions
-rw-r--r--

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

     1 /*
     2  * Copyright (c) 2001, 2005, 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  */
    25 class AdaptivePaddedAverage;
    27 class PSPermGen : public PSOldGen {
    28   friend class VMStructs;
    29  protected:
    30   AdaptivePaddedAverage* _avg_size;  // Used for sizing
    31   size_t _last_used;                 // Amount used at last GC, used for sizing
    33  public:
    34   // Initialize the generation.
    35   PSPermGen(ReservedSpace rs, size_t alignment, size_t initial_byte_size,
    36             size_t minimum_byte_size, size_t maximum_byte_size,
    37             const char* gen_name, int level);
    39   // Permanent Gen special allocation. Uses the OldGen allocation
    40   // routines, which should not be directly called on this generation.
    41   HeapWord* allocate_permanent(size_t word_size);
    43   // Size calculation.
    44   void compute_new_size(size_t used_before_collection);
    46   // MarkSweep code
    47   virtual void precompact();
    49   // Parallel old
    50   virtual void move_and_update(ParCompactionManager* cm);
    52   virtual const char* name() const { return "PSPermGen"; }
    53 };

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