Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-05-13 Thread Michal Koutný
On Mon, Apr 08, 2024 at 04:58:18PM GMT, Michal Koutný wrote: > The kernel provides mechanisms, while it should not imply policies -- > default pid_max seems to be an example of the policy that does not fit > all. At the same time pid_max must have some value assigned, so use the > end of the allow

Re: Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-04-12 Thread Michal Koutný
On Thu, Apr 11, 2024 at 03:03:31PM -0700, Andrew Morton wrote: > A large increase in the maximum number of processes. The change from (some) default to effective infinity is the crux of the change. Because that is only a number. (Thus I don't find the number's 12700% increase alone a big change.

Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-04-11 Thread Andrew Morton
On Thu, 11 Apr 2024 17:40:02 +0200 Michal Koutný wrote: > Hello. > > On Mon, Apr 08, 2024 at 01:29:55PM -0700, Andrew Morton > wrote: > > That seems like a large change. > > In what sense is it large? A large increase in the maximum number of processes. Or did I misinterpret?

Re: Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-04-11 Thread Michal Koutný
Hello. On Mon, Apr 08, 2024 at 01:29:55PM -0700, Andrew Morton wrote: > That seems like a large change. In what sense is it large? I tried to lookup the code parts that depend on this default and either add the other patches or mention the impact (that part could be more thorough) in the commi

Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-04-08 Thread kernel test robot
Hi Michal, kernel test robot noticed the following build errors: [auto build test ERROR on fec50db7033ea478773b159e0e2efb135270e3b7] url: https://github.com/intel-lab-lkp/linux/commits/Michal-Koutn/tracing-Remove-dependency-of-saved_cmdlines_buffer-on-PID_MAX_DEFAULT/20240408-230031 base:

Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-04-08 Thread kernel test robot
Hi Michal, kernel test robot noticed the following build warnings: [auto build test WARNING on fec50db7033ea478773b159e0e2efb135270e3b7] url: https://github.com/intel-lab-lkp/linux/commits/Michal-Koutn/tracing-Remove-dependency-of-saved_cmdlines_buffer-on-PID_MAX_DEFAULT/20240408-230031 base

Re: [PATCH 2/3] kernel/pid: Remove default pid_max value

2024-04-08 Thread Andrew Morton
On Mon, 8 Apr 2024 16:58:18 +0200 Michal Koutný wrote: > The kernel provides mechanisms, while it should not imply policies -- > default pid_max seems to be an example of the policy that does not fit > all. At the same time pid_max must have some value assigned, so use the > end of the allowed r