src/hotspot/share/memory/metaspace/chunkManager.cpp

rev 53600 : imported patch autouncommit-metachunks

*** 349,358 ****
--- 349,362 ----
    const size_t region_word_len = larger_chunk->word_size();
    MetaWord* const region_end = region_start + region_word_len;
    VirtualSpaceNode* const vsn = larger_chunk->container();
    OccupancyMap* const ocmap = vsn->occupancy_map();
  
+   if (AutoUncommitMetaChunks) {
+     larger_chunk->commit();
+   }
+ 
    // Any larger non-humongous chunk size is a multiple of any smaller chunk size.
    // Since non-humongous chunks are aligned to their chunk size, the larger chunk should start
    // at an address suitable to place the smaller target chunk.
    assert_is_aligned(region_start, target_chunk_word_size);
  
*** 510,519 ****
--- 514,527 ----
  
      log_trace(gc, metaspace, alloc)("Free list allocate humongous chunk size " SIZE_FORMAT " for requested size " SIZE_FORMAT " waste " SIZE_FORMAT,
                                      chunk->word_size(), word_size, chunk->word_size() - word_size);
    }
  
+   if (AutoUncommitMetaChunks) {
+     chunk->commit();
+   }
+ 
    // Chunk has been removed from the chunk manager; update counters.
    account_for_removed_chunk(chunk);
    do_update_in_use_info_for_chunk(chunk, true);
    chunk->container()->inc_container_count();
    chunk->inc_use_count();
*** 616,625 ****
--- 624,637 ----
          }
        }
      }
    }
  
+   if (AutoUncommitMetaChunks) {
+     chunk->uncommit();
+   }
+ 
  }
  
  void ChunkManager::return_chunk_list(Metachunk* chunks) {
    if (chunks == NULL) {
      return;