Summary: Move arena, allocator, and memory tools under util to a separate memory/ directory. Pull Request resolved: https://github.com/facebook/rocksdb/pull/5382 Differential Revision: D15564655 Pulled By: siying fbshipit-source-id: 9cd6b5d0d3d52b39606e19221fa154596e5852a5
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/5373 Differential Revision: D15559425 Pulled By: vjnadimpalli fbshipit-source-id: 5d6d6d615582bedd96a4b879bb25d429a6de8b55