1531 static bool migrate_balanced_pgdat(struct pglist_data *pgdat,  in migrate_balanced_pgdat()  argument
1535 	for (z = pgdat->nr_zones - 1; z >= 0; z--) {  in migrate_balanced_pgdat()
1536 		struct zone *zone = pgdat->node_zones + z;  in migrate_balanced_pgdat()
1580 static bool numamigrate_update_ratelimit(pg_data_t *pgdat,  in numamigrate_update_ratelimit()  argument
1588 	if (time_after(jiffies, pgdat->numabalancing_migrate_next_window)) {  in numamigrate_update_ratelimit()
1589 		spin_lock(&pgdat->numabalancing_migrate_lock);  in numamigrate_update_ratelimit()
1590 		pgdat->numabalancing_migrate_nr_pages = 0;  in numamigrate_update_ratelimit()
1591 		pgdat->numabalancing_migrate_next_window = jiffies +  in numamigrate_update_ratelimit()
1593 		spin_unlock(&pgdat->numabalancing_migrate_lock);  in numamigrate_update_ratelimit()
1595 	if (pgdat->numabalancing_migrate_nr_pages > ratelimit_pages) {  in numamigrate_update_ratelimit()
1596 		trace_mm_numa_migrate_ratelimit(current, pgdat->node_id,  in numamigrate_update_ratelimit()
1607 	pgdat->numabalancing_migrate_nr_pages += nr_pages;  in numamigrate_update_ratelimit()
1611 static int numamigrate_isolate_page(pg_data_t *pgdat, struct page *page)  in numamigrate_isolate_page()  argument
1618 	if (!migrate_balanced_pgdat(pgdat, 1UL << compound_order(page)))  in numamigrate_isolate_page()
1663 	pg_data_t *pgdat = NODE_DATA(node);  in migrate_misplaced_page()  local
1681 	if (numamigrate_update_ratelimit(pgdat, 1))  in migrate_misplaced_page()
1684 	isolated = numamigrate_isolate_page(pgdat, page);  in migrate_misplaced_page()
1723 	pg_data_t *pgdat = NODE_DATA(node);  in migrate_misplaced_transhuge_page()  local
1736 	if (numamigrate_update_ratelimit(pgdat, HPAGE_PMD_NR))  in migrate_misplaced_transhuge_page()
1745 	isolated = numamigrate_isolate_page(pgdat, page);  in migrate_misplaced_transhuge_page()