On 4/8/21 11:17 AM, Oscar Salvador wrote: > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -8490,7 +8490,8 @@ static int __alloc_contig_migrate_range(struct compact_control *cc, > cc->nr_migratepages -= nr_reclaimed; > > ret = migrate_pages(&cc->migratepages, alloc_migration_target, > - NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE); > + NULL, (unsigned long)&mtc, cc->mode, MR_CONTIG_RANGE, > + NULL); > } > if (ret < 0) { > putback_movable_pages(&cc->migratepages); I also considered passing NULL to mean "I don't care about nr_succeeded". I mostly avoided it to reduce churn. But, looking at it here, it does seem cleaner. Any objections to moving over to Oscar's suggestion?