Re: BUG: enable_cpucache failed for radix_tree_node, error 12 (was: Re: [PATCH v3 9/9] slab: remove BAD_ALIEN_MAGIC)

From: Geert Uytterhoeven
Date: Fri Aug 08 2014 - 08:06:22 EST


Hi Christoph,

On Fri, Aug 8, 2014 at 1:50 PM, Christoph Lameter <cl@xxxxxxxxx> wrote:
> On Fri, 8 Aug 2014, Geert Uytterhoeven wrote:
>> > Of possible, could you check whether page_to_nid(page) returns
>> > only 0 or not?
>>
>> It returns 0 or 1.
>
> Ok this is broken on m68k. CONFIG_NUMA is required for this to work. If
> the arch code does this despite !CONFIG_NUMA then lots of things should
> break.

Can you please elaborate? We've been using for years...

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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