Re: [PATCH v9 04/21] mips: mm: Add p?d_leaf() definitions

On 22/07/2019 22:47, Paul Burton wrote: > Hi Steven, > > On Mon, Jul 22, 2019 at 04:41:53PM +0100, 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 tabl

Re: [PATCH v9 04/21] mips: mm: Add p?d_leaf() definitions

Hi Steven, On Mon, Jul 22, 2019 at 04:41:53PM +0100, 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_lea

[PATCH v9 04/21] mips: mm: Add p?d_leaf() definitions

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_leaf() functions/macros. For mips, we only support large pages on 64 bit. For 64 bi