Re: [PATCH v9 10/21] mm: Add generic p?d_leaf() macros

From: Anshuman Khandual
Date: Thu Aug 01 2019 - 02:13:24 EST




On 07/29/2019 06:20 PM, Mark Rutland wrote:
> On Sun, Jul 28, 2019 at 05:14:31PM +0530, Anshuman Khandual wrote:
>> On 07/23/2019 03:11 PM, Mark Rutland wrote:
>>> It might also be worth pointing out the reasons for this naming, e.g.
>>> p?d_large() aren't currently generic, and this name minimizes potential
>>> confusion between p?d_{large,huge}().
>>
>> Agreed. But these fallback also need to first check non-availability of large
>> pages.
>
> We're deliberately not making the p?d_large() helpers generic, so this
> shouldn't fall back on those.

I meant non-availability of large page support in the MMU HW not just the
presence of p?d_large() helpers.