On Friday 04 April 2014 11:20 PM, David Miller wrote:
> From: Dave Hansen <dave.han...@intel.com>
> Date: Fri, 04 Apr 2014 09:18:43 -0700
> 
>> On 04/03/2014 11:27 PM, Madhavan Srinivasan wrote:
>>> This patch creates infrastructure to move the FAULT_AROUND_ORDER
>>> to arch/ using Kconfig. This will enable architecture maintainers
>>> to decide on suitable FAULT_AROUND_ORDER value based on
>>> performance data for that architecture. Patch also adds
>>> FAULT_AROUND_ORDER Kconfig element in arch/X86.
>>
>> Please don't do it this way.
>>
>> In mm/Kconfig, put
>>
>>      config FAULT_AROUND_ORDER
>>              int
>>              default 1234 if POWERPC
>>              default 4
>>
>> The way you have it now, every single architecture that needs to enable
>> this has to go put that in their Kconfig.  That's madness.  This way,
>> you only put it in one place, and folks only have to care if they want
>> to change the default to be something other than 4.
> 
> It looks more like it's necessary only to change the default, not
> to enable it.  Unless I read his patch wrong...
> 
Yes. With current patch, you only need to change the default by which
you enable it.

With regards
Maddy
> 

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