Messages in this thread | | | Date | Sat, 2 Mar 2019 01:12:13 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH v3 15/34] parisc: mm: Add p?d_large() definitions |
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On Wed, Feb 27, 2019 at 07:54:22PM +0100, Helge Deller wrote: > On 27.02.19 18:05, 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 parisc, we don't support large pages, so add stubs returning 0. > > We do support huge pages on parisc, but not yet on those levels.
Just curious, what level do parisc supports huge pages on? AFAICS, it can have 2- or 3- level paging and the patch defines helpers for two level: pgd and pmd. Hm?
-- Kirill A. Shutemov
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