On Wed, Dec 07, 2022 at 03:01:52PM -0800, Vishal Moola (Oracle) wrote: > +++ b/include/linux/swap.h > @@ -409,7 +409,7 @@ extern void lru_add_drain(void); > extern void lru_add_drain_cpu(int cpu); > extern void lru_add_drain_cpu_zone(struct zone *zone); > extern void lru_add_drain_all(void); > -extern void deactivate_page(struct page *page); > +extern void folio_deactivate(struct folio *folio); > extern void mark_page_lazyfree(struct page *page); > extern void swap_setup(void); Using 'extern' on function prototypes is now unfashionable; you can drop it if you respin this patch.