linux-kernel - Re: [tip:sched/urgent] sched/numa: Fix NULL pointer dereference in task_numa

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Message-ID: <20131113174826.GR21461@twins.programming.kicks-ass.net>
Date:	Wed, 13 Nov 2013 18:48:26 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	mingo@...nel.org, hpa@...or.com, linux-kernel@...r.kernel.org,
	riel@...hat.com, mgorman@...e.de, tglx@...utronix.de,
	prarit@...hat.com
Cc:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:sched/urgent] sched/numa: Fix NULL pointer dereference in
 task_numa_migrate()

On Wed, Nov 13, 2013 at 09:25:22AM -0800, tip-bot for Rik van Riel wrote:
> +	if (unlikely(!sd)) {
> +		p->numa_preferred_nid = cpu_to_node(task_cpu(p));

't is only now I notice, but I added a convenience helper for this:
task_node(p) :-)

No biggie, I'll try and remember when next something near there needs
changing.
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