208 		subsection_mask_set(ms->usage->subsection_map, pfn, pfns);  in subsection_map_init()
302 		struct mem_section_usage *usage, unsigned long flags)  in sparse_init_one_section()  argument
307 	ms->usage = usage;  in sparse_init_one_section()
335 	struct mem_section_usage *usage;  in sparse_early_usemaps_alloc_pgdat_section()  local
352 	usage = memblock_alloc_try_nid(size, SMP_CACHE_BYTES, goal, limit, nid);  in sparse_early_usemaps_alloc_pgdat_section()
353 	if (!usage && limit) {  in sparse_early_usemaps_alloc_pgdat_section()
357 	return usage;  in sparse_early_usemaps_alloc_pgdat_section()
361 		struct mem_section_usage *usage)  in check_usemap_section_nr()  argument
375 	usemap_snr = pfn_to_section_nr(__pa(usage) >> PAGE_SHIFT);  in check_usemap_section_nr()
411 		struct mem_section_usage *usage)  in check_usemap_section_nr()  argument
509 	struct mem_section_usage *usage;  in sparse_init_nid()  local
513 	usage = sparse_early_usemaps_alloc_pgdat_section(NODE_DATA(nid),  in sparse_init_nid()
515 	if (!usage) {  in sparse_init_nid()
535 		check_usemap_section_nr(nid, usage);  in sparse_init_nid()
536 		sparse_init_one_section(__nr_to_section(pnum), pnum, map, usage,  in sparse_init_nid()
538 		usage = (void *) usage + mem_section_usage_size();  in sparse_init_nid()
659 	unsigned long *subsection_map = ms->usage  in clear_subsection_map()
660 		? &ms->usage->subsection_map[0] : NULL;  in clear_subsection_map()
677 	return bitmap_empty(&ms->usage->subsection_map[0],  in is_subsection_map_empty()
690 	subsection_map = &ms->usage->subsection_map[0];  in fill_subsection_map()
808 		if (!PageReserved(virt_to_page(ms->usage))) {  in section_deactivate()
809 			kfree_rcu(ms->usage, rcu);  in section_deactivate()
810 			WRITE_ONCE(ms->usage, NULL);  in section_deactivate()
833 	struct mem_section_usage *usage = NULL;  in section_activate()  local
837 	if (!ms->usage) {  in section_activate()
838 		usage = kzalloc(mem_section_usage_size(), GFP_KERNEL);  in section_activate()
839 		if (!usage)  in section_activate()
841 		ms->usage = usage;  in section_activate()
846 		if (usage)  in section_activate()
847 			ms->usage = NULL;  in section_activate()
848 		kfree(usage);  in section_activate()
920 	sparse_init_one_section(ms, section_nr, memmap, ms->usage, 0);  in sparse_add_section()