Messages in this thread | | | Date | Tue, 3 Oct 2017 17:53:15 +0200 | From | Oleg Nesterov <> | Subject | Re: + pid-delete-reserved_pids.patch added to -mm tree |
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Hi Alexey,
On 10/02, Andrew Morton wrote: > > From: Alexey Dobriyan <adobriyan@gmail.com> > Subject: pid: delete RESERVED_PIDS > > RESERVED_PIDS had a noble goal: to protect root from PID exhaustion since > at least ~2.5.40
I am just curious, where did you find the change which documents this goal?
> except it never did that because there was no capability > or uid checks. > > Allow small pids to be allocated after rollover, there is nothing sacred > about them. > > Resource exhaustion should be handled by rlimits and/or kernel memory > accounting.
I won't argue, but I always thought that the only purpose of RESERVED_PIDS is to make the system/kernek daemons started at boot time more "visible" in /usr/bin/ps output.
Oleg.
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