Oh wow, now I gotta check it out.

Well, unless one is using FreeBSD or OpenBSD, where the btop code is still using 32-bit integers to calculate 64-bit sizes, and falling prey to unsigned integer wraparound. htop's code calculates using size_t, which ends up as a 64-bit integer on 64-bit architectures.

* https://news.ycombinator.com/item?id=48778757 (https://crocidb.com/post/freebsd-ate-my-ram/)

* https://github.com/aristocratos/btop/pull/1728