235 		subsection_mask_set(ms->usage->subsection_map, pfn, pfns);  in subsection_map_init()
329 		struct mem_section_usage *usage, unsigned long flags)  in sparse_init_one_section()  argument
334 	ms->usage = usage;  in sparse_init_one_section()
352 	struct mem_section_usage *usage;  in sparse_early_usemaps_alloc_pgdat_section()  local
369 	usage = memblock_alloc_try_nid(size, SMP_CACHE_BYTES, goal, limit, nid);  in sparse_early_usemaps_alloc_pgdat_section()
370 	if (!usage && limit) {  in sparse_early_usemaps_alloc_pgdat_section()
374 	return usage;  in sparse_early_usemaps_alloc_pgdat_section()
378 		struct mem_section_usage *usage)  in check_usemap_section_nr()  argument
392 	usemap_snr = pfn_to_section_nr(__pa(usage) >> PAGE_SHIFT);  in check_usemap_section_nr()
428 		struct mem_section_usage *usage)  in check_usemap_section_nr()  argument
527 	struct mem_section_usage *usage;  in sparse_init_nid()  local
531 	usage = sparse_early_usemaps_alloc_pgdat_section(NODE_DATA(nid),  in sparse_init_nid()
533 	if (!usage) {  in sparse_init_nid()
553 		check_usemap_section_nr(nid, usage);  in sparse_init_nid()
554 		sparse_init_one_section(__nr_to_section(pnum), pnum, map, usage,  in sparse_init_nid()
556 		usage = (void *) usage + mem_section_usage_size();  in sparse_init_nid()
678 	unsigned long *subsection_map = ms->usage  in clear_subsection_map()
679 		? &ms->usage->subsection_map[0] : NULL;  in clear_subsection_map()
696 	return bitmap_empty(&ms->usage->subsection_map[0],  in is_subsection_map_empty()
709 	subsection_map = &ms->usage->subsection_map[0];  in fill_subsection_map()
826 		if (!PageReserved(virt_to_page(ms->usage))) {  in section_deactivate()
827 			kfree_rcu(ms->usage, rcu);  in section_deactivate()
828 			WRITE_ONCE(ms->usage, NULL);  in section_deactivate()
850 	struct mem_section_usage *usage = NULL;  in section_activate()  local
854 	if (!ms->usage) {  in section_activate()
855 		usage = kzalloc(mem_section_usage_size(), GFP_KERNEL);  in section_activate()
856 		if (!usage)  in section_activate()
858 		ms->usage = usage;  in section_activate()
863 		if (usage)  in section_activate()
864 			ms->usage = NULL;  in section_activate()
865 		kfree(usage);  in section_activate()
935 	sparse_init_one_section(ms, section_nr, memmap, ms->usage, 0);  in sparse_add_section()