On Fri, 2018-11-16 at 09:30 +0100, Michal Hocko wrote: > From: Michal Hocko <mhocko@xxxxxxxx> > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index a919ba5cb3c8..ec2c7916dc2d 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -7845,6 +7845,7 @@ bool has_unmovable_pages(struct zone *zone, > struct page *page, int count, > return false; > unmovable: > WARN_ON_ONCE(zone_idx(zone) == ZONE_MOVABLE); > + dump_page(pfn_to_page(pfn+iter), "unmovable page"); Would not be enough to just do: dump_page(page, "unmovable page". Unless I am missing something, page should already have the right pfn? <--- unsigned long check = pfn + iter; page = pfn_to_page(check); ---> The rest looks good to me Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
