linux-kernel - Re: [PATCH RFC 0/2] add nproc cgroup subsystem

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Date:	Tue, 3 Mar 2015 00:31:19 +1100
From:	Aleksa Sarai <cyphar@...har.com>
To:	Austin S Hemmelgarn <ahferroin7@...il.com>
Cc:	Tejun Heo <tj@...nel.org>, Tim Hockin <thockin@...kin.org>,
	Frederic Weisbecker <fweisbec@...il.com>, lizefan@...wei.com,
	richard@....at, mingo@...hat.com, cgroups@...r.kernel.org,
	peterz@...radead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 0/2] add nproc cgroup subsystem

> If 16-bit PID's aren't a concern anymore, then why do we still default to
> treating it like a 16-bit signed int (the default for
> /proc/sys/kernel/pid_max is 32768)?

I just want to emphasise that *even if* we changed to another default
limit, the mere existence of a system-wide pid_max makes PIDs a
resource.

--
Aleksa Sarai (cyphar)
www.cyphar.com
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