Method Free

cpp/src/arrow/memory_pool.cc:509–521

  }

  void Free(uint8_t* buffer, int64_t size, int64_t alignment) override {
#ifndef NDEBUG
    // Poison data
    if (size > 0) {
      DCHECK_NE(buffer, nullptr);
      buffer[0] = kDeallocPoison;
      buffer[size - 1] = kDeallocPoison;
    }
#endif
    Allocator::DeallocateAligned(buffer, size, alignment);

    stats_.DidFreeBytes(size);
  }

  void ReleaseUnused() override { Allocator::ReleaseUnused(); }