3307 // java.lang.management.MemoryUsage API.
3308 //
3309 // Ideally, we would be able to set the default value of MaxMetaspaceSize in
3310 // globals.hpp to the aligned value, but this is not possible, since the
3311 // alignment depends on other flags being parsed.
3312 MaxMetaspaceSize = align_down_bounded(MaxMetaspaceSize, _reserve_alignment);
3313
3314 if (MetaspaceSize > MaxMetaspaceSize) {
3315 MetaspaceSize = MaxMetaspaceSize;
3316 }
3317
3318 MetaspaceSize = align_down_bounded(MetaspaceSize, _commit_alignment);
3319
3320 assert(MetaspaceSize <= MaxMetaspaceSize, "MetaspaceSize should be limited by MaxMetaspaceSize");
3321
3322 MinMetaspaceExpansion = align_down_bounded(MinMetaspaceExpansion, _commit_alignment);
3323 MaxMetaspaceExpansion = align_down_bounded(MaxMetaspaceExpansion, _commit_alignment);
3324
3325 CompressedClassSpaceSize = align_down_bounded(CompressedClassSpaceSize, _reserve_alignment);
3326 set_compressed_class_space_size(CompressedClassSpaceSize);
3327 }
3328
3329 void Metaspace::global_initialize() {
3330 MetaspaceGC::initialize();
3331
3332 #if INCLUDE_CDS
3333 if (DumpSharedSpaces) {
3334 MetaspaceShared::initialize_dumptime_shared_and_meta_spaces();
3335 } else if (UseSharedSpaces) {
3336 // If any of the archived space fails to map, UseSharedSpaces
3337 // is reset to false. Fall through to the
3338 // (!DumpSharedSpaces && !UseSharedSpaces) case to set up class
3339 // metaspace.
3340 MetaspaceShared::initialize_runtime_shared_and_meta_spaces();
3341 }
3342
3343 if (!DumpSharedSpaces && !UseSharedSpaces)
3344 #endif // INCLUDE_CDS
3345 {
3346 #ifdef _LP64
|
3307 // java.lang.management.MemoryUsage API.
3308 //
3309 // Ideally, we would be able to set the default value of MaxMetaspaceSize in
3310 // globals.hpp to the aligned value, but this is not possible, since the
3311 // alignment depends on other flags being parsed.
3312 MaxMetaspaceSize = align_down_bounded(MaxMetaspaceSize, _reserve_alignment);
3313
3314 if (MetaspaceSize > MaxMetaspaceSize) {
3315 MetaspaceSize = MaxMetaspaceSize;
3316 }
3317
3318 MetaspaceSize = align_down_bounded(MetaspaceSize, _commit_alignment);
3319
3320 assert(MetaspaceSize <= MaxMetaspaceSize, "MetaspaceSize should be limited by MaxMetaspaceSize");
3321
3322 MinMetaspaceExpansion = align_down_bounded(MinMetaspaceExpansion, _commit_alignment);
3323 MaxMetaspaceExpansion = align_down_bounded(MaxMetaspaceExpansion, _commit_alignment);
3324
3325 CompressedClassSpaceSize = align_down_bounded(CompressedClassSpaceSize, _reserve_alignment);
3326 set_compressed_class_space_size(CompressedClassSpaceSize);
3327
3328 size_t min_metaspace_sz = calculate_min_metaspace_size();
3329 if (!UseCompressedClassPointers && (min_metaspace_sz >= MaxMetaspaceSize)) {
3330 FLAG_SET_ERGO(size_t, InitialBootClassLoaderMetaspaceSize,
3331 min_metaspace_sz);
3332 }
3333
3334 }
3335
3336 size_t Metaspace::calculate_min_metaspace_size() {
3337 return InitialBootClassLoaderMetaspaceSize + (MediumChunk * HeapWordSize);
3338 }
3339
3340 void Metaspace::global_initialize() {
3341 MetaspaceGC::initialize();
3342
3343 #if INCLUDE_CDS
3344 if (DumpSharedSpaces) {
3345 MetaspaceShared::initialize_dumptime_shared_and_meta_spaces();
3346 } else if (UseSharedSpaces) {
3347 // If any of the archived space fails to map, UseSharedSpaces
3348 // is reset to false. Fall through to the
3349 // (!DumpSharedSpaces && !UseSharedSpaces) case to set up class
3350 // metaspace.
3351 MetaspaceShared::initialize_runtime_shared_and_meta_spaces();
3352 }
3353
3354 if (!DumpSharedSpaces && !UseSharedSpaces)
3355 #endif // INCLUDE_CDS
3356 {
3357 #ifdef _LP64
|