3567 

  3567 

  3568 void Metaspace::deallocate(MetaWord* ptr, size_t word_size, bool is_class) {

  3568 void Metaspace::deallocate(MetaWord* ptr, size_t word_size, bool is_class) {

  3569   assert(!SafepointSynchronize::is_at_safepoint()

  3569   assert(!SafepointSynchronize::is_at_safepoint()

  3570          || Thread::current()->is_VM_thread(), "should be the VM thread");

  3570          || Thread::current()->is_VM_thread(), "should be the VM thread");

  3571 

  3571 

  3573     record_deallocation(ptr, vsm()->get_allocation_word_size(word_size));

  3573     record_deallocation(ptr, vsm()->get_allocation_word_size(word_size));

  3574   }

  3574   }

  3575 

  3575 

  3576   MutexLockerEx ml(vsm()->lock(), Mutex::_no_safepoint_check_flag);

  3576   MutexLockerEx ml(vsm()->lock(), Mutex::_no_safepoint_check_flag);

  3577 

  3577 

  3601     Metaspace* space = read_only ? loader_data->ro_metaspace() : loader_data->rw_metaspace();

  3601     Metaspace* space = read_only ? loader_data->ro_metaspace() : loader_data->rw_metaspace();

  3602     MetaWord* result = space->allocate(word_size, NonClassType);

  3602     MetaWord* result = space->allocate(word_size, NonClassType);

  3603     if (result == NULL) {

  3603     if (result == NULL) {

  3604       report_out_of_shared_space(read_only ? SharedReadOnly : SharedReadWrite);

  3604       report_out_of_shared_space(read_only ? SharedReadOnly : SharedReadWrite);

  3605     }

  3605     }

  3607       space->record_allocation(result, type, space->vsm()->get_allocation_word_size(word_size));

  3607       space->record_allocation(result, type, space->vsm()->get_allocation_word_size(word_size));

  3608     }

  3608     }

  3609 

  3609 

  3610     // Zero initialize.

  3610     // Zero initialize.

  3611     Copy::fill_to_words((HeapWord*)result, word_size, 0);

  3611     Copy::fill_to_words((HeapWord*)result, word_size, 0);