On Thu, Dec 20, 2018 at 10:12:28AM +0100, Michal Hocko wrote: > > <-- > > skip_pages = (1 << compound_order(head)) - (page - head); > > iter = skip_pages - 1; > > -- > > > > which looks more simple IMHO. > > Agreed! Andrew, can you please apply the next diff chunk on top of the patch: diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 4812287e56a0..978576d93783 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -8094,7 +8094,7 @@ bool has_unmovable_pages(struct zone *zone, struct page *page, int count, goto unmovable; skip_pages = (1 << compound_order(head)) - (page - head); - iter = round_up(iter + 1, skip_pages) - 1; + iter = skip_pages - 1; continue; } Thanks! -- Oscar Salvador SUSE L3