On Wed, Jan 18, 2023 at 9:58 AM Yonghong Song <yhs@xxxxxxxx> wrote: > > > > > - return fls(size - 1) - 1; > > + return fls(size - 1) - 2; Wow. Thanks. Not sure how I missed it and why the tests didn't catch it. test_maps goes through many key/value sizes. Applied.