165 	unsigned long *usemap, mapsize, section_nr, i;  in register_page_bootmem_info_section()  local
169 	section_nr = pfn_to_section_nr(start_pfn);  in register_page_bootmem_info_section()
170 	ms = __nr_to_section(section_nr);  in register_page_bootmem_info_section()
173 	memmap = sparse_decode_mem_map(ms->section_mem_map, section_nr);  in register_page_bootmem_info_section()
185 		get_page_bootmem(section_nr, page, SECTION_INFO);  in register_page_bootmem_info_section()
193 		get_page_bootmem(section_nr, page, MIX_SECTION_INFO);  in register_page_bootmem_info_section()
199 	unsigned long *usemap, mapsize, section_nr, i;  in register_page_bootmem_info_section()  local
203 	section_nr = pfn_to_section_nr(start_pfn);  in register_page_bootmem_info_section()
204 	ms = __nr_to_section(section_nr);  in register_page_bootmem_info_section()
206 	memmap = sparse_decode_mem_map(ms->section_mem_map, section_nr);  in register_page_bootmem_info_section()
208 	register_page_bootmem_memmap(section_nr, memmap, PAGES_PER_SECTION);  in register_page_bootmem_info_section()
216 		get_page_bootmem(section_nr, page, MIX_SECTION_INFO);  in register_page_bootmem_info_section()
1729 	unsigned long pfn, section_nr;  in walk_memory_range()  local
1733 		section_nr = pfn_to_section_nr(pfn);  in walk_memory_range()
1734 		if (!present_section_nr(section_nr))  in walk_memory_range()
1737 		section = __nr_to_section(section_nr);  in walk_memory_range()
1740 			if ((section_nr >= mem->start_section_nr) &&  in walk_memory_range()
1741 			    (section_nr <= mem->end_section_nr))  in walk_memory_range()
1839 		unsigned long section_nr = pfn_to_section_nr(pfn);  in try_offline_node()  local
1841 		if (!present_section_nr(section_nr))  in try_offline_node()