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Subject: Re: [RFC][PATCH 13/22] sched: add resource limits for -deadline
 tasks
From: Peter Zijlstra <peterz@infradead.org>
To: Raistlin <raistlin@linux.it>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
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Date: Thu, 11 Nov 2010 20:57:51 +0100
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On Fri, 2010-10-29 at 08:37 +0200, Raistlin wrote:
> Add resource limits for non-root tasks in using the SCHED_DEADLINE
> policy, very similarly to what already exists for RT policies.
> 
> In fact, this patch:
>  - adds the resource limit RLIMIT_DLDLINE, which is the minimum value
>    a user task can use as its own deadline;
>  - adds the resource limit RLIMIT_DLRTIME, which is the maximum value
>    a user task can use as it own runtime.
> 
> Notice that to exploit these, a modified version of the ulimit
> utility and a modified resource.h header file are needed. They
> both will be available on the website of the project.

We might also want to add an additional !SYS_CAP_ADMIN global bandwidth
cap much like the existing sysctl bandwidth cap.