Re: [PATCH v3 05/34] c6x: mm: Add p?d_large() definitions

From: Kirill A. Shutemov
Date: Fri Mar 01 2019 - 16:49:24 EST


On Wed, Feb 27, 2019 at 05:05:39PM +0000, Steven Price wrote:
> walk_page_range() is going to be allowed to walk page tables other than
> those of user space. For this it needs to know when it has reached a
> 'leaf' entry in the page tables. This information is provided by the
> p?d_large() functions/macros.
>
> For c6x there's no MMU so there's never a large page, so just add stubs.

Other option would be to provide the stubs via generic headers form !MMU.

--
Kirill A. Shutemov