On Mon, 7 Oct 2019, 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_leaf() functions/macros.
> 
> For riscv a page is a leaf page when it has a read, write or execute bit
> set on it.
> 
> CC: Palmer Dabbelt <[email protected]>
> CC: Albert Ou <[email protected]>
> CC: [email protected]
> Signed-off-by: Steven Price <[email protected]>

Acked-by: Paul Walmsley <[email protected]> # for arch/riscv  

Alex has a good point, but probably the right thing to do is to replace 
the contents of the arch/riscv/mm/hugetlbpage.c p{u,m}d_huge() functions 
with calls to Steven's new static inline functions.


- Paul

Reply via email to