Re: [PATCH RESEND] NUMA x86: add constraints check for nidparameters

[Andrew Morton]

On Thu,  1 Dec 2011 12:45:07 +0100
Petr Holasek <pholasek@xxxxxxxxxx> wrote:

> This patch adds constraints checks into __node_distance() and
> numa_set_distance() functions. If from or to parameters are
> lower than zero, it results into oops now.

Passing negative numbers into __node_distance() sounds like a bug in
the caller, and this patch will remove our means of detecting that bug.

Perhaps we need to be told more about this patch.  Is the bug
user-triggerable?  If so, how?  How was this fault triggered? 
Etcetera.

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