linux-kernel - Re: [PATCH] mm: move huge_pmd_set_accessed out of huge

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Date:	Thu, 21 Apr 2016 15:56:07 -0700
From:	"Shi, Yang" <yang.shi@...aro.org>
To:	"Kirill A. Shutemov" <kirill@...temov.name>
Cc:	akpm@...ux-foundation.org, kirill.shutemov@...ux.intel.com,
	aarcange@...hat.com, hughd@...gle.com, mgorman@...e.de,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH] mm: move huge_pmd_set_accessed out of huge_memory.c

On 4/21/2016 12:30 AM, Kirill A. Shutemov wrote:
> On Wed, Apr 20, 2016 at 02:00:11PM -0700, Shi, Yang wrote:
>> Hi folks,
>>
>> I didn't realize pmd_* functions are protected by
>> CONFIG_TRANSPARENT_HUGEPAGE on the most architectures before I made this
>> change.
>>
>> Before I fix all the affected architectures code, I want to check if you
>> guys think this change is worth or not?
>>
>> Thanks,
>> Yang
>>
>> On 4/20/2016 11:24 AM, Yang Shi wrote:
>>> huge_pmd_set_accessed is only called by __handle_mm_fault from memory.c,
>>> move the definition to memory.c and make it static like create_huge_pmd and
>>> wp_huge_pmd.
>>>
>>> Signed-off-by: Yang Shi <yang.shi@...aro.org>
>
> On pte side we have the same functionality open-coded. Should we do the
> same for pmd? Or change pte side the same way?

Sorry, I don't quite understand you. Do you mean pte_* functions?

Thanks,
Yang

>