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src/share/vm/gc/parallel/psYoungGen.cpp

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  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/parallel/mutableNUMASpace.hpp"
  27 #include "gc/parallel/parallelScavengeHeap.hpp"
  28 #include "gc/parallel/psMarkSweepDecorator.hpp"
  29 #include "gc/parallel/psScavenge.hpp"
  30 #include "gc/parallel/psYoungGen.hpp"
  31 #include "gc/shared/gcUtil.hpp"
  32 #include "gc/shared/spaceDecorator.hpp"
  33 #include "logging/log.hpp"
  34 #include "oops/oop.inline.hpp"
  35 #include "runtime/java.hpp"

  36 
  37 PSYoungGen::PSYoungGen(size_t        initial_size,
  38                        size_t        min_size,
  39                        size_t        max_size) :
  40   _init_gen_size(initial_size),
  41   _min_gen_size(min_size),
  42   _max_gen_size(max_size)
  43 {}
  44 
  45 void PSYoungGen::initialize_virtual_space(ReservedSpace rs, size_t alignment) {
  46   assert(_init_gen_size != 0, "Should have a finite size");
  47   _virtual_space = new PSVirtualSpace(rs, alignment);
  48   if (!virtual_space()->expand_by(_init_gen_size)) {
  49     vm_exit_during_initialization("Could not reserve enough space for "
  50                                   "object heap");
  51   }
  52 }
  53 
  54 void PSYoungGen::initialize(ReservedSpace rs, size_t alignment) {
  55   initialize_virtual_space(rs, alignment);




  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/parallel/mutableNUMASpace.hpp"
  27 #include "gc/parallel/parallelScavengeHeap.hpp"
  28 #include "gc/parallel/psMarkSweepDecorator.hpp"
  29 #include "gc/parallel/psScavenge.hpp"
  30 #include "gc/parallel/psYoungGen.hpp"
  31 #include "gc/shared/gcUtil.hpp"
  32 #include "gc/shared/spaceDecorator.hpp"
  33 #include "logging/log.hpp"
  34 #include "oops/oop.inline.hpp"
  35 #include "runtime/java.hpp"
  36 #include "utilities/align.hpp"
  37 
  38 PSYoungGen::PSYoungGen(size_t        initial_size,
  39                        size_t        min_size,
  40                        size_t        max_size) :
  41   _init_gen_size(initial_size),
  42   _min_gen_size(min_size),
  43   _max_gen_size(max_size)
  44 {}
  45 
  46 void PSYoungGen::initialize_virtual_space(ReservedSpace rs, size_t alignment) {
  47   assert(_init_gen_size != 0, "Should have a finite size");
  48   _virtual_space = new PSVirtualSpace(rs, alignment);
  49   if (!virtual_space()->expand_by(_init_gen_size)) {
  50     vm_exit_during_initialization("Could not reserve enough space for "
  51                                   "object heap");
  52   }
  53 }
  54 
  55 void PSYoungGen::initialize(ReservedSpace rs, size_t alignment) {
  56   initialize_virtual_space(rs, alignment);


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