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Message-ID: <1336494356.8226.32.camel@twins>
Subject: Re: [PATCH 07/41] cpuset: Set up interface for nohz flag
From: Peter Zijlstra <peterz@infradead.org>
To: Christoph Lameter <cl@linux.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, Geoff Levand <geoff@infradead.org>,
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        Alessio Igor Bogani <abogani@kernel.org>, Avi Kivity <avi@redhat.com>,
        Max Krasnyansky <maxk@qualcomm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Ingo Molnar <mingo@kernel.org>
Date: Tue, 08 May 2012 18:25:56 +0200
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On Tue, 2012-05-08 at 18:16 +0200, Peter Zijlstra wrote:
> No, it simply doesn't (and cannot) know this.. well it could but I think
> its an NP-hard problem. The way its been solved is by means of explicit
> configuration using cpusets. 

Yeah, it looks like a combinatorics problem. Anyway, even if we could
solve that problem we'd still end up with the cpuset infrastructure.
Only auto-magically configured instead of manually.