On Fri, 21 Feb 2025 18:02:49 +0100 Michal Koutný <mkoutny@xxxxxxxx> wrote: > --- a/Documentation/admin-guide/sysctl/kernel.rst > +++ b/Documentation/admin-guide/sysctl/kernel.rst > @@ -1043,6 +1043,8 @@ The last pid allocated in the current (the one task using this sysctl > lives in) pid namespace. When selecting a pid for a next task on fork > kernel tries to allocate a number starting from this one. > > +When set to -1, first-fit pid numbering is used instead of the next-fit. > + This seems thin. Is there more we can tell our users? What are the visible effects of this? What are the benefits? Why would they want to turn it on? I mean, there are veritable paragraphs in the changelogs, but just a single line in the user-facing docs. Seems there could be more...