src/share/vm/gc_implementation/parallelScavenge/adjoiningGenerations.cpp

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   1 /*
   2  * Copyright (c) 2003, 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 # include "incls/_precompiled.incl"
  26 # include "incls/_adjoiningGenerations.cpp.incl"



  27 
  28 // If boundary moving is being used, create the young gen and old
  29 // gen with ASPSYoungGen and ASPSOldGen, respectively.  Revert to
  30 // the old behavior otherwise (with PSYoungGen and PSOldGen).
  31 
  32 AdjoiningGenerations::AdjoiningGenerations(ReservedSpace old_young_rs,
  33                                            size_t init_low_byte_size,
  34                                            size_t min_low_byte_size,
  35                                            size_t max_low_byte_size,
  36                                            size_t init_high_byte_size,
  37                                            size_t min_high_byte_size,
  38                                            size_t max_high_byte_size,
  39                                            size_t alignment) :
  40   _virtual_spaces(old_young_rs, min_low_byte_size,
  41                   min_high_byte_size, alignment) {
  42   assert(min_low_byte_size <= init_low_byte_size &&
  43          init_low_byte_size <= max_low_byte_size, "Parameter check");
  44   assert(min_high_byte_size <= init_high_byte_size &&
  45          init_high_byte_size <= max_high_byte_size, "Parameter check");
  46   // Create the generations differently based on the option to


   1 /*
   2  * Copyright (c) 2003, 2010, 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 #include "precompiled.hpp"
  26 #include "gc_implementation/parallelScavenge/adjoiningGenerations.hpp"
  27 #include "gc_implementation/parallelScavenge/adjoiningVirtualSpaces.hpp"
  28 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"
  29 #include "gc_implementation/parallelScavenge/psPermGen.hpp"
  30 
  31 // If boundary moving is being used, create the young gen and old
  32 // gen with ASPSYoungGen and ASPSOldGen, respectively.  Revert to
  33 // the old behavior otherwise (with PSYoungGen and PSOldGen).
  34 
  35 AdjoiningGenerations::AdjoiningGenerations(ReservedSpace old_young_rs,
  36                                            size_t init_low_byte_size,
  37                                            size_t min_low_byte_size,
  38                                            size_t max_low_byte_size,
  39                                            size_t init_high_byte_size,
  40                                            size_t min_high_byte_size,
  41                                            size_t max_high_byte_size,
  42                                            size_t alignment) :
  43   _virtual_spaces(old_young_rs, min_low_byte_size,
  44                   min_high_byte_size, alignment) {
  45   assert(min_low_byte_size <= init_low_byte_size &&
  46          init_low_byte_size <= max_low_byte_size, "Parameter check");
  47   assert(min_high_byte_size <= init_high_byte_size &&
  48          init_high_byte_size <= max_high_byte_size, "Parameter check");
  49   // Create the generations differently based on the option to