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 /* Initial virtual space size will be calculated at global_initialize() */
3329 size_t min_metaspace_sz =
3330 VIRTUALSPACEMULTIPLIER * InitialBootClassLoaderMetaspaceSize;
3331 if (UseCompressedClassPointers) {
3332 if ((min_metaspace_sz + CompressedClassSpaceSize) > MaxMetaspaceSize) {
3333 if (min_metaspace_sz >= MaxMetaspaceSize) {
3334 vm_exit_during_initialization("MaxMetaspaceSize is too small.");
3335 } else {
3336 FLAG_SET_ERGO(size_t, CompressedClassSpaceSize,
3337 MaxMetaspaceSize - min_metaspace_sz);
3338 }
3339 }
3340 } else if (min_metaspace_sz >= MaxMetaspaceSize) {
3341 FLAG_SET_ERGO(size_t, InitialBootClassLoaderMetaspaceSize,
3342 min_metaspace_sz);
3343 }
3344
3345 }
3346
3347 void Metaspace::global_initialize() {
3348 MetaspaceGC::initialize();
3349
3350 #if INCLUDE_CDS
3351 if (DumpSharedSpaces) {
3352 MetaspaceShared::initialize_dumptime_shared_and_meta_spaces();
3353 } else if (UseSharedSpaces) {
3354 // If any of the archived space fails to map, UseSharedSpaces
3355 // is reset to false. Fall through to the
3356 // (!DumpSharedSpaces && !UseSharedSpaces) case to set up class
3357 // metaspace.
3358 MetaspaceShared::initialize_runtime_shared_and_meta_spaces();
3359 }
3360
3361 if (!DumpSharedSpaces && !UseSharedSpaces)
3362 #endif // INCLUDE_CDS
3363 {
3364 #ifdef _LP64
|