On Sat, Sep 17, 2022 at 11:32:02AM -0700, Ivan Babrou wrote: > > > > * Make fd count acces O(1) and expose it in /proc/pid/status > > > > This is doable, next to FDSize. > > It feels like a better solution, but maybe I'm missing some context > here. Let me know whether this is preferred. I don't know. I'd put it in st_size as you did initially. /proc/*/status should be slow.