3081 }
3082 }
3083 }
3084
3085 // If we got here then the metaspace got allocated.
3086 MemTracker::record_virtual_memory_type((address)metaspace_rs.base(), mtClass);
3087
3088 #if INCLUDE_CDS
3089 // Verify that we can use shared spaces. Otherwise, turn off CDS.
3090 if (UseSharedSpaces && !can_use_cds_with_metaspace_addr(metaspace_rs.base(), cds_base)) {
3091 FileMapInfo::stop_sharing_and_unmap(
3092 "Could not allocate metaspace at a compatible address");
3093 }
3094 #endif
3095 set_narrow_klass_base_and_shift((address)metaspace_rs.base(),
3096 UseSharedSpaces ? (address)cds_base : 0);
3097
3098 initialize_class_space(metaspace_rs);
3099
3100 if (PrintCompressedOopsMode || (PrintMiscellaneous && Verbose)) {
3101 gclog_or_tty->print_cr("Narrow klass base: " PTR_FORMAT ", Narrow klass shift: " SIZE_FORMAT,
3102 Universe::narrow_klass_base(), Universe::narrow_klass_shift());
3103 gclog_or_tty->print_cr("Compressed class space size: " SIZE_FORMAT " Address: " PTR_FORMAT " Req Addr: " PTR_FORMAT,
3104 compressed_class_space_size(), metaspace_rs.base(), requested_addr);
3105 }
3106 }
3107
3108 // For UseCompressedClassPointers the class space is reserved above the top of
3109 // the Java heap. The argument passed in is at the base of the compressed space.
3110 void Metaspace::initialize_class_space(ReservedSpace rs) {
3111 // The reserved space size may be bigger because of alignment, esp with UseLargePages
3112 assert(rs.size() >= CompressedClassSpaceSize,
3113 err_msg(SIZE_FORMAT " != " UINTX_FORMAT, rs.size(), CompressedClassSpaceSize));
3114 assert(using_class_space(), "Must be using class space");
3115 _class_space_list = new VirtualSpaceList(rs);
3116 _chunk_manager_class = new ChunkManager(ClassSpecializedChunk, ClassSmallChunk, ClassMediumChunk);
3117
3118 if (!_class_space_list->initialization_succeeded()) {
3119 vm_exit_during_initialization("Failed to setup compressed class space virtual space list.");
3120 }
3121 }
3122
3123 #endif
3124
3125 void Metaspace::ergo_initialize() {
3126 if (DumpSharedSpaces) {
|
3081 }
3082 }
3083 }
3084
3085 // If we got here then the metaspace got allocated.
3086 MemTracker::record_virtual_memory_type((address)metaspace_rs.base(), mtClass);
3087
3088 #if INCLUDE_CDS
3089 // Verify that we can use shared spaces. Otherwise, turn off CDS.
3090 if (UseSharedSpaces && !can_use_cds_with_metaspace_addr(metaspace_rs.base(), cds_base)) {
3091 FileMapInfo::stop_sharing_and_unmap(
3092 "Could not allocate metaspace at a compatible address");
3093 }
3094 #endif
3095 set_narrow_klass_base_and_shift((address)metaspace_rs.base(),
3096 UseSharedSpaces ? (address)cds_base : 0);
3097
3098 initialize_class_space(metaspace_rs);
3099
3100 if (PrintCompressedOopsMode || (PrintMiscellaneous && Verbose)) {
3101 print_compressed_class_space(gclog_or_tty, requested_addr);
3102 }
3103 }
3104
3105 void Metaspace::print_compressed_class_space(outputStream* st, const char* requested_addr) {
3106 st->print_cr("Narrow klass base: " PTR_FORMAT ", Narrow klass shift: %d",
3107 p2i(Universe::narrow_klass_base()), Universe::narrow_klass_shift());
3108 if (_class_space_list != NULL) {
3109 address base = (address)_class_space_list->current_virtual_space()->bottom();
3110 st->print("Compressed class space size: " SIZE_FORMAT " Address: " PTR_FORMAT,
3111 compressed_class_space_size(), p2i(base));
3112 if (requested_addr != 0) {
3113 st->print(" Req Addr: " PTR_FORMAT, p2i(requested_addr));
3114 }
3115 st->cr();
3116 }
3117 }
3118
3119 // For UseCompressedClassPointers the class space is reserved above the top of
3120 // the Java heap. The argument passed in is at the base of the compressed space.
3121 void Metaspace::initialize_class_space(ReservedSpace rs) {
3122 // The reserved space size may be bigger because of alignment, esp with UseLargePages
3123 assert(rs.size() >= CompressedClassSpaceSize,
3124 err_msg(SIZE_FORMAT " != " UINTX_FORMAT, rs.size(), CompressedClassSpaceSize));
3125 assert(using_class_space(), "Must be using class space");
3126 _class_space_list = new VirtualSpaceList(rs);
3127 _chunk_manager_class = new ChunkManager(ClassSpecializedChunk, ClassSmallChunk, ClassMediumChunk);
3128
3129 if (!_class_space_list->initialization_succeeded()) {
3130 vm_exit_during_initialization("Failed to setup compressed class space virtual space list.");
3131 }
3132 }
3133
3134 #endif
3135
3136 void Metaspace::ergo_initialize() {
3137 if (DumpSharedSpaces) {
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