Hi, On Mon, Jul 13, 2020 at 10:41:31AM +0200, SeongJae Park wrote: > From: SeongJae Park <sjpark@xxxxxxxxx> > > 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@xxxxxxxxx> > Reviewed-by: Leonard Foerster <foersleo@xxxxxxxxx> > Reviewed-by: Varad Gautam <vrd@xxxxxxxxx> > --- > 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.