linux-kernel - Re: [PATCH V4 2/2] powerpc/pseries: init fault_around

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Message-ID: <537B0C6E.4030501@linux.vnet.ibm.com>
Date:	Tue, 20 May 2014 13:33:58 +0530
From:	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	linux-mm@...ck.org, linux-arch@...r.kernel.org, x86@...nel.org,
	benh@...nel.crashing.org, paulus@...ba.org,
	kirill.shutemov@...ux.intel.com, rusty@...tcorp.com.au,
	riel@...hat.com, mgorman@...e.de, ak@...ux.intel.com,
	peterz@...radead.org, mingo@...nel.org, dave.hansen@...el.com
Subject: Re: [PATCH V4 2/2] powerpc/pseries: init fault_around_order for pseries

On Tuesday 20 May 2014 12:58 PM, Andrew Morton wrote:
> On Thu,  8 May 2014 14:58:16 +0530 Madhavan Srinivasan <maddy@...ux.vnet.ibm.com> wrote:
> 
>> --- a/arch/powerpc/platforms/pseries/pseries.h
>> +++ b/arch/powerpc/platforms/pseries/pseries.h
>> @@ -17,6 +17,8 @@ struct device_node;
>>  extern void request_event_sources_irqs(struct device_node *np,
>>  				       irq_handler_t handler, const char *name);
>>  
>> +extern unsigned int fault_around_order;
> 
> This isn't an appropriate header file for exporting something from core
> mm - what happens if arch/mn10300 wants it?.
>
> I guess include/linux/mm.h is the place.
> 

Rusty already suggested this. My bad.  Reason for adding it here was
that, I did the performance test for this platform. Will change and send
it out.

Thanks for review
Regards
Maddy

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