280 static unsigned long sparse_encode_mem_map(struct page *mem_map, unsigned long pnum)  in sparse_encode_mem_map()  argument
283 		(unsigned long)(mem_map - (section_nr_to_pfn(pnum)));  in sparse_encode_mem_map()
293 struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pnum)  in sparse_decode_mem_map()  argument
297 	return ((struct page *)coded_mem_map) + section_nr_to_pfn(pnum);  in sparse_decode_mem_map()
302 		unsigned long pnum, struct page *mem_map,  in sparse_init_one_section()  argument
306 	ms->section_mem_map |= sparse_encode_mem_map(mem_map, pnum)  in sparse_init_one_section()
510 	unsigned long pnum;  in sparse_init_nid()  local
520 	for_each_present_section_nr(pnum_begin, pnum) {  in sparse_init_nid()
521 		unsigned long pfn = section_nr_to_pfn(pnum);  in sparse_init_nid()
523 		if (pnum >= pnum_end)  in sparse_init_nid()
531 			pnum_begin = pnum;  in sparse_init_nid()
536 		sparse_init_one_section(__nr_to_section(pnum), pnum, map, usage,  in sparse_init_nid()
544 	for_each_present_section_nr(pnum_begin, pnum) {  in sparse_init_nid()
547 		if (pnum >= pnum_end)  in sparse_init_nid()
549 		ms = __nr_to_section(pnum);  in sparse_init_nid()