Summary:
Issue: https://github.com/facebook/memlab/issues/95

Pull Request resolved: https://github.com/facebook/memlab/pull/120

Test Plan:
```
memlab build-core && memlab test && arc lint
```

Reviewed By: twobassdrum

Differential Revision: D57819075

Pulled By: JacksonGL

fbshipit-source-id: e60d1aa9d8b59565534a660bb029ceb68499b3d6