3301 // java.lang.management.MemoryUsage API.
3302 //
3303 // Ideally, we would be able to set the default value of MaxMetaspaceSize in
3304 // globals.hpp to the aligned value, but this is not possible, since the
3305 // alignment depends on other flags being parsed.
3306 MaxMetaspaceSize = align_down_bounded(MaxMetaspaceSize, _reserve_alignment);
3307
3308 if (MetaspaceSize > MaxMetaspaceSize) {
3309 MetaspaceSize = MaxMetaspaceSize;
3310 }
3311
3312 MetaspaceSize = align_down_bounded(MetaspaceSize, _commit_alignment);
3313
3314 assert(MetaspaceSize <= MaxMetaspaceSize, "MetaspaceSize should be limited by MaxMetaspaceSize");
3315
3316 MinMetaspaceExpansion = align_down_bounded(MinMetaspaceExpansion, _commit_alignment);
3317 MaxMetaspaceExpansion = align_down_bounded(MaxMetaspaceExpansion, _commit_alignment);
3318
3319 CompressedClassSpaceSize = align_down_bounded(CompressedClassSpaceSize, _reserve_alignment);
3320 set_compressed_class_space_size(CompressedClassSpaceSize);
3321 }
3322
3323 void Metaspace::global_initialize() {
3324 MetaspaceGC::initialize();
3325
3326 #if INCLUDE_CDS
3327 if (DumpSharedSpaces) {
3328 MetaspaceShared::initialize_shared_rs();
3329 } else if (UseSharedSpaces) {
3330 // If using shared space, open the file that contains the shared space
3331 // and map in the memory before initializing the rest of metaspace (so
3332 // the addresses don't conflict)
3333 address cds_address = NULL;
3334 FileMapInfo* mapinfo = new FileMapInfo();
3335
3336 // Open the shared archive file, read and validate the header. If
3337 // initialization fails, shared spaces [UseSharedSpaces] are
3338 // disabled and the file is closed.
3339 // Map in spaces now also
3340 if (mapinfo->initialize() && MetaspaceShared::map_shared_spaces(mapinfo)) {
|
3301 // java.lang.management.MemoryUsage API.
3302 //
3303 // Ideally, we would be able to set the default value of MaxMetaspaceSize in
3304 // globals.hpp to the aligned value, but this is not possible, since the
3305 // alignment depends on other flags being parsed.
3306 MaxMetaspaceSize = align_down_bounded(MaxMetaspaceSize, _reserve_alignment);
3307
3308 if (MetaspaceSize > MaxMetaspaceSize) {
3309 MetaspaceSize = MaxMetaspaceSize;
3310 }
3311
3312 MetaspaceSize = align_down_bounded(MetaspaceSize, _commit_alignment);
3313
3314 assert(MetaspaceSize <= MaxMetaspaceSize, "MetaspaceSize should be limited by MaxMetaspaceSize");
3315
3316 MinMetaspaceExpansion = align_down_bounded(MinMetaspaceExpansion, _commit_alignment);
3317 MaxMetaspaceExpansion = align_down_bounded(MaxMetaspaceExpansion, _commit_alignment);
3318
3319 CompressedClassSpaceSize = align_down_bounded(CompressedClassSpaceSize, _reserve_alignment);
3320 set_compressed_class_space_size(CompressedClassSpaceSize);
3321
3322 size_t min_metaspace_sz = InitialBootClassLoaderMetaspaceSize +
3323 (MediumChunk * HeapWordSize);
3324 if (!UseCompressedClassPointers && (min_metaspace_sz >= MaxMetaspaceSize)) {
3325 FLAG_SET_ERGO(size_t, InitialBootClassLoaderMetaspaceSize,
3326 min_metaspace_sz);
3327 }
3328
3329 }
3330
3331 void Metaspace::global_initialize() {
3332 MetaspaceGC::initialize();
3333
3334 #if INCLUDE_CDS
3335 if (DumpSharedSpaces) {
3336 MetaspaceShared::initialize_shared_rs();
3337 } else if (UseSharedSpaces) {
3338 // If using shared space, open the file that contains the shared space
3339 // and map in the memory before initializing the rest of metaspace (so
3340 // the addresses don't conflict)
3341 address cds_address = NULL;
3342 FileMapInfo* mapinfo = new FileMapInfo();
3343
3344 // Open the shared archive file, read and validate the header. If
3345 // initialization fails, shared spaces [UseSharedSpaces] are
3346 // disabled and the file is closed.
3347 // Map in spaces now also
3348 if (mapinfo->initialize() && MetaspaceShared::map_shared_spaces(mapinfo)) {
|