pgdat_snr 386 mm/sparse.c unsigned long usemap_snr, pgdat_snr; pgdat_snr 399 mm/sparse.c pgdat_snr = pfn_to_section_nr(__pa(pgdat) >> PAGE_SHIFT); pgdat_snr 400 mm/sparse.c if (usemap_snr == pgdat_snr) pgdat_snr 403 mm/sparse.c if (old_usemap_snr == usemap_snr && old_pgdat_snr == pgdat_snr) pgdat_snr 408 mm/sparse.c old_pgdat_snr = pgdat_snr; pgdat_snr 423 mm/sparse.c usemap_snr, pgdat_snr, nid);