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Date: Wed, 02 Apr 2014 10:15:42 +0530
From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
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To: Dave Hansen <dave.hansen@intel.com>,
 "Kirill A. Shutemov" <kirill@shutemov.name>
Subject: Re: [PATCH 1/1] mm: move FAULT_AROUND_ORDER to arch/
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Cc: linux-arch@vger.kernel.org, riel@redhat.com, rusty@rustcorp.com.au,
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On Tuesday 25 March 2014 11:20 PM, Dave Hansen wrote:
> On 03/25/2014 10:36 AM, Kirill A. Shutemov wrote:
>>>> +/*
>>>> + * Fault around order is a control knob to decide the fault around pages.
>>>> + * Default value is set to 0UL (disabled), but the arch can override it as
>>>> + * desired.
>>>> + */
>>>> +#ifndef FAULT_AROUND_ORDER
>>>> +#define FAULT_AROUND_ORDER	0UL
>>>> +#endif
>> FAULT_AROUND_ORDER == 0 case should be handled separately in
>> do_read_fault(): no reason to go to do_fault_around() if we are going to
>> fault in only one page.
> 
> Isn't this the kind of thing we want to do in Kconfig?
> 
> 
I am still investigating this option since this looks better. But it is
taking time, my bad. I will get back on this.

With Regards
Maddy