Re: [PATCH 1/3] slqb: Do not use DEFINE_PER_CPU for per-node data

[Tejun Heo]

Pekka Enberg wrote:
> On Fri, Sep 18, 2009 at 10:34 PM, Mel Gorman <mel@xxxxxxxxx> wrote:
>> SLQB used a seemingly nice hack to allocate per-node data for the statically
>> initialised caches. Unfortunately, due to some unknown per-cpu
>> optimisation, these regions are being reused by something else as the
>> per-node data is getting randomly scrambled. This patch fixes the
>> problem but it's not fully understood *why* it fixes the problem at the
>> moment.
> 
> Ouch, that sounds bad. I guess it's architecture specific bug as x86
> works ok? Lets CC Tejun.

Is the corruption being seen on ppc or s390?

Thanks.

-- 
tejun
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