Re: [PATCH v13 3/6] mm: Introduce Reported pages

Alexander Duyck
2019-11-06T16:09:12Z

On Tue, Nov 5, 2019 at 8:00 PM Andrew Morton <akpm@linux-foundation.org> wrote:
>
> On Tue, 05 Nov 2019 14:02:19 -0800 Alexander Duyck <alexander.duyck@gmail.com> wrote:
>
> > In order to pave the way for free page reporting in virtualized
> > environments we will need a way to get pages out of the free lists and
> > identify those pages after they have been returned. To accomplish this,
> > this patch adds the concept of a Reported Buddy, which is essentially
> > meant to just be the Uptodate flag used in conjunction with the Buddy
> > page type.
>
> build fix
>
> --- a/mm/page_reporting.h~mm-introduce-reported-pages-fix
> +++ a/mm/page_reporting.h
> @@ -158,7 +158,7 @@ free_area_reporting(struct zone *zone, u
> return false;
> }
> static inline struct list_head *
> -get_unreported_tail(struct zone *zone, unsigned int order, int migratetype)
> +get_unreported_tail(unsigned int order, int migratetype)
> {
> return NULL;
> }
>

Sorry about that. I will make sure to include the fix in v14.

Thanks.

- Alex