Re: [PATCH v3 18/34] s390: mm: Add p?d_large() definitions

2019-02-28 Thread Steven Price
On 27/02/2019 17:40, Martin Schwidefsky wrote: > On Wed, 27 Feb 2019 17:05:52 + > 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

Re: [PATCH v3 18/34] s390: mm: Add p?d_large() definitions

2019-02-27 Thread Martin Schwidefsky
On Wed, 27 Feb 2019 17:05:52 + 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()

[PATCH v3 18/34] s390: mm: Add p?d_large() definitions

2019-02-27 Thread Steven Price
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 s390, we don't support large pages, so add a stub