Re: [PATCH v18 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules

Mike Rapoport
2020-07-13T12:08:58Z

Hi,

On Mon, Jul 13, 2020 at 10:41:31AM +0200, SeongJae Park wrote:
> From: SeongJae Park <sjpark@amazon.de>
>
> This commit exports 'lookup_page_ext()' to GPL modules. It will be used
> by DAMON in following commit for the implementation of the region based
> sampling.

Maybe I'm missing something, but why is DAMON a module?

> Signed-off-by: SeongJae Park <sjpark@amazon.de>
> Reviewed-by: Leonard Foerster <foersleo@amazon.de>
> Reviewed-by: Varad Gautam <vrd@amazon.de>
> ---
> mm/page_ext.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/mm/page_ext.c b/mm/page_ext.c
> index a3616f7a0e9e..9d802d01fcb5 100644
> --- a/mm/page_ext.c
> +++ b/mm/page_ext.c
> @@ -131,6 +131,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
> MAX_ORDER_NR_PAGES);
> return get_entry(base, index);
> }
> +EXPORT_SYMBOL_GPL(lookup_page_ext);
>
> static int __init alloc_node_page_ext(int nid)
> {
> --
> 2.17.1
>

--
Sincerely yours,
Mike.