linux-kernel - Re: [RFC PATCH 4/4] cgroups: Add an rlimit subsystem

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Message-ID: <loom.20110628T194004-818@post.gmane.org>
Date:	Tue, 28 Jun 2011 18:08:42 +0000 (UTC)
From:	Aditya Kali <adityakali@...gle.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 4/4] cgroups: Add an rlimit subsystem

Frederic Weisbecker <fweisbec <at> gmail.com> writes:
> +struct rlim {
> +	struct res_counter		proc_counter;
> +	struct cgroup_subsys_state	css;
> +};
This can be used to enforce limits on FDs (RLIMIT_NOFILE), TCP/UDP ports,
locked memory, queued data on sockets, etc. How making proc_counter an
array (currently of size 1) ? Though with this patch there is just one, but it 
will great to have ready support for easily adding more.

> +static struct cftype cft_max_proc = {
> +	.name		= "max_proc",
> +	.read_u64	= max_proc_read_u64,
> +	.write_u64	= max_proc_write_u64,
> +};
How about exporting USAGE, MAX_USAGE and FAILCNT too? These are useful
for resource estimation.


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