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 #ifndef SHARE_VM_MEMORY_METASPACE_SHARED_HPP
  25 #define SHARE_VM_MEMORY_METASPACE_SHARED_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "memory/memRegion.hpp"
  29 #include "runtime/virtualspace.hpp"
  30 #include "utilities/exceptions.hpp"
  31 #include "utilities/macros.hpp"
  32 
  33 #define LargeSharedArchiveSize    (300*M)
  34 #define HugeSharedArchiveSize     (800*M)
  35 #define ReadOnlyRegionPercentage  0.4
  36 #define ReadWriteRegionPercentage 0.55
  37 #define MiscDataRegionPercentage  0.03
  38 #define MiscCodeRegionPercentage  0.02
  39 #define LargeThresholdClassCount  5000
  40 #define HugeThresholdClassCount   40000
  41 
  42 #define SET_ESTIMATED_SIZE(type, region)                              \
  43   Shared ##region## Size  = FLAG_IS_DEFAULT(Shared ##region## Size) ? \
  44     (uintx)(type ## SharedArchiveSize *  region ## RegionPercentage) : Shared ## region ## Size
  45 
  46 class FileMapInfo;
  47 
  48 // Class Data Sharing Support
  49 class MetaspaceShared : AllStatic {
  50 
  51   // CDS support
  52   static ReservedSpace* _shared_rs;
  53   static int _max_alignment;
  54   static bool _link_classes_made_progress;
  55   static bool _check_classes_made_progress;
  56   static bool _has_error_classes;
  57   static bool _archive_loading_failed;

  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 #ifndef SHARE_VM_MEMORY_METASPACE_SHARED_HPP
  25 #define SHARE_VM_MEMORY_METASPACE_SHARED_HPP
  26 
  27 #include "memory/allocation.hpp"
  28 #include "memory/memRegion.hpp"
  29 #include "runtime/virtualspace.hpp"
  30 #include "utilities/exceptions.hpp"
  31 #include "utilities/macros.hpp"
  32 
  33 #define LargeSharedArchiveSize    (300*M)
  34 #define HugeSharedArchiveSize     (800*M)
  35 #define ReadOnlyRegionPercentage  0.39
  36 #define ReadWriteRegionPercentage 0.50
  37 #define MiscDataRegionPercentage  0.09
  38 #define MiscCodeRegionPercentage  0.02
  39 #define LargeThresholdClassCount  5000
  40 #define HugeThresholdClassCount   40000
  41 
  42 #define SET_ESTIMATED_SIZE(type, region)                              \
  43   Shared ##region## Size  = FLAG_IS_DEFAULT(Shared ##region## Size) ? \
  44     (uintx)(type ## SharedArchiveSize *  region ## RegionPercentage) : Shared ## region ## Size
  45 
  46 class FileMapInfo;
  47 
  48 // Class Data Sharing Support
  49 class MetaspaceShared : AllStatic {
  50 
  51   // CDS support
  52   static ReservedSpace* _shared_rs;
  53   static int _max_alignment;
  54   static bool _link_classes_made_progress;
  55   static bool _check_classes_made_progress;
  56   static bool _has_error_classes;
  57   static bool _archive_loading_failed;