175 

   175 

   176     // Capture heap size before collection for printing.

   176     // Capture heap size before collection for printing.

   177     size_t prev_used = heap->used();

   177     size_t prev_used = heap->used();

   178 

   178 

   179     // Capture metadata size before collection for sizing.

   179     // Capture metadata size before collection for sizing.

   181 

   181 

   182     // For PrintGCDetails

   182     // For PrintGCDetails

   183     size_t old_gen_prev_used = old_gen->used_in_bytes();

   183     size_t old_gen_prev_used = old_gen->used_in_bytes();

   184     size_t young_gen_prev_used = young_gen->used_in_bytes();

   184     size_t young_gen_prev_used = young_gen->used_in_bytes();

   185 

   185 

   236       }

   236       }

   237     }

   237     }

   238 

   238 

   239     // Delete metaspaces for unloaded class loaders and clean up loader_data graph

   239     // Delete metaspaces for unloaded class loaders and clean up loader_data graph

   240     ClassLoaderDataGraph::purge();

   240     ClassLoaderDataGraph::purge();

   241 

   242 

   242     BiasedLocking::restore_marks();

   243     BiasedLocking::restore_marks();

   243     Threads::gc_epilogue();

   244     Threads::gc_epilogue();

   244     CodeCache::gc_epilogue();

   245     CodeCache::gc_epilogue();

   245     JvmtiExport::gc_epilogue();

   246     JvmtiExport::gc_epilogue();