Re: [PATCH v7 3/7] set_memory: allow set_direct_map_*_noflush() for multiple pages

[Edgecombe, Rick P]

On Mon, 2020-10-26 at 10:37 +0200, Mike Rapoport wrote:
> +++ b/arch/x86/mm/pat/set_memory.c
> @@ -2184,14 +2184,14 @@ static int __set_pages_np(struct page *page,
> int numpages)
>         return __change_page_attr_set_clr(&cpa, 0);
>  }
>  
> -int set_direct_map_invalid_noflush(struct page *page)
> +int set_direct_map_invalid_noflush(struct page *page, int numpages)
>  {
> -       return __set_pages_np(page, 1);
> +       return __set_pages_np(page, numpages);
>  }
>  
> -int set_direct_map_default_noflush(struct page *page)
> +int set_direct_map_default_noflush(struct page *page, int numpages)
>  {
> -       return __set_pages_p(page, 1);
> +       return __set_pages_p(page, numpages);
>  }

Somewhat related to your other series, this could result in large NP
pages and trip up hibernate.