for_each_free_mem_pfn_range_in_zone_from 1733 mm/page_alloc.c for_each_free_mem_pfn_range_in_zone_from(j, zone, start_pfn, end_pfn) { for_each_free_mem_pfn_range_in_zone_from 1751 mm/page_alloc.c for_each_free_mem_pfn_range_in_zone_from(j, zone, &spfn, &epfn) {