Re: what's node "-1" ?

[Yinghai Lu]

On Fri, Dec 18, 2009 at 2:12 AM, Arkadiusz Miskiewicz
<a.miskiewicz@xxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/