Method AlignedAlloc

tests/unit_test/virtual_memory_test.cpp:29–36

  }

  auto AlignedAlloc(size_t alignment, size_t size) -> void* {
    void* ptr = nullptr;
    if (posix_memalign(&ptr, alignment, size) == 0) {
      allocated_blocks_[ptr] = size;
      return ptr;
    }
    return nullptr;
  }

  void Free(void* ptr) {
    if (ptr == nullptr) {