linux-kernel - Re: [PATCH 03/16] slab: Convert to hotplug state machine

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Message-ID: <20160818170819.pubp6ywvzkf5u3dg@linutronix.de>
Date:   Thu, 18 Aug 2016 19:08:19 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, rt@...utronix.de,
        Richard Weinberger <richard@....at>,
        Christoph Lameter <cl@...ux.com>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 03/16] slab: Convert to hotplug state machine

On 2016-08-18 14:57:18 [+0200], To linux-kernel@...r.kernel.org wrote:
> diff --git a/mm/slab.c b/mm/slab.c
> index 0eb6691ae6fc..e8d465069b87 100644
> --- a/mm/slab.c
> +++ b/mm/slab.c
…
> +static int slab_online_cpu(unsigned int cpu)
> +{
> +	pr_err("%s(%d) %d\n", __func__, __LINE__, cpu);

as the careful reader will notice, it has been double checked whether or
not this callback is invoked. This output needs to go.

> +	start_cpu_timer(cpu);
> +	return 0;
> +}

Sebastian