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SubjectRe: [PATCH] mm: add config NUMA stub to all architectures
Stephen Rothwell wrote:
> Hi Konstantin,
>
> On Fri, 17 Feb 2012 16:08:15 +0400 Konstantin Khlebnikov<khlebnikov@openvz.org> wrote:
>>
>> Config NUMA must be defined for all architectures,
>> otherwise IS_ENABLED(CONFIG_NUMA) does not work.
>> Some arch-specific Kconfig already has this stub.
>> This patch adds it to all remaining.
>
> Why not add it somewhere generic (like mm/Kconfig, maybe) and then it can
> be removed from the architecture specific places over time (if necessary
> - I am pretty sure it is ok to have it there twice)?
>

Different architectures has different dependencies for NUMA.

Seems like Kconfig allow config option duplication, but it use default state from first.
If we add "config NUMA\n def_bool n" somewhere in generic Kconfig, default will be n if
Kconfig see this declaration first.


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