Re: [PATCH RESEND v4 2/3] mm/sparse: more check on mem_section number

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On Mon, 23 Jul 2012 at 02:31 GMT, Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx> wrote:
> Function __section_nr() was implemented to retrieve the corresponding
> memory section number according to its descriptor. It's possible that
> the specified memory section descriptor isn't existing in the global
> array. So here to add more check on that and report error for wrong
> case.
>
> Signed-off-by: Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Reviewed-by: Cong Wang <xiyou.wangcong@xxxxxxxxx>

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