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Message-ID: <86802c440912180219j6aeb1480p7adbc5ced1113f4e@mail.gmail.com>
Date: Fri, 18 Dec 2009 02:19:47 -0800
From: Yinghai Lu <yinghai@...nel.org>
To: Arkadiusz Miskiewicz <a.miskiewicz@...il.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: what's node "-1" ?
On Fri, Dec 18, 2009 at 2:12 AM, Arkadiusz Miskiewicz
<a.miskiewicz@...il.com> wrote:
>
> [ 22.284175] alloc irq_desc for 55 on node -1
> [ 22.284177] alloc kstat_irqs on node -1
>
> What's node "-1" ?
>
> dmesg talks about nodes such things:
> [ 0.000000] NR_CPUS:32 nr_cpumask_bits:32 nr_cpu_ids:8 nr_node_ids:1
> [ 0.073337] CPU 0/0x0 -> Node 0
>
> there is some "node 0" ... but no idea what -1 is.
that mean for irq_desc related, alloc mem will use mem on
cpu_to_node(cpu) that code is runing
YH
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