Method ~FreeBufferArena

be/src/runtime/bufferpool/buffer-allocator.cc:561–571

        metrics->AddCounter("buffer-pool.$0.num-final-scavenges", 0, arena_name)) {}

BufferPool::FreeBufferArena::~FreeBufferArena() {
  for (int i = 0; i < NumBufferSizes(); ++i) {
    // Clear out the free lists.
    FreeList* list = &buffer_sizes_[i].free_buffers;
    vector<BufferHandle> buffers = list->GetBuffersToFree(list->Size());
    parent_->system_bytes_remaining_.Add(parent_->FreeToSystem(move(buffers)));

    // All pages should have been destroyed.
    DCHECK_EQ(0, buffer_sizes_[i].clean_pages.size());
  }
}

void BufferPool::FreeBufferArena::AddFreeBuffer(BufferHandle&& buffer) {
  lock_guard<SpinLock> al(lock_);