sparse_early_nid  410 mm/sparse.c    	usemap_nid = sparse_early_nid(__nr_to_section(usemap_snr));
sparse_early_nid  582 mm/sparse.c    	int nid_begin = sparse_early_nid(__nr_to_section(pnum_begin));
sparse_early_nid  589 mm/sparse.c    		int nid = sparse_early_nid(__nr_to_section(pnum_end));