Method DidReallocateBytes

cpp/src/arrow/memory_pool.h:90–96

  }

  inline void DidReallocateBytes(int64_t old_size, int64_t new_size) {
    if (new_size > old_size) {
      DidAllocateBytes(new_size - old_size);
    } else {
      DidFreeBytes(old_size - new_size);
    }
  }

  inline void DidFreeBytes(int64_t size) {
    bytes_allocated_.fetch_sub(size, std::memory_order_acq_rel);