200 		subsection_mask_set(ms->usage->subsection_map, pfn, pfns);  in subsection_map_init()
291 		struct mem_section_usage *usage, unsigned long flags)  in sparse_init_one_section()  argument
296 	ms->usage = usage;  in sparse_init_one_section()
324 	struct mem_section_usage *usage;  in sparse_early_usemaps_alloc_pgdat_section()  local
341 	usage = memblock_alloc_try_nid(size, SMP_CACHE_BYTES, goal, limit, nid);  in sparse_early_usemaps_alloc_pgdat_section()
342 	if (!usage && limit) {  in sparse_early_usemaps_alloc_pgdat_section()
346 	return usage;  in sparse_early_usemaps_alloc_pgdat_section()
350 		struct mem_section_usage *usage)  in check_usemap_section_nr()  argument
364 	usemap_snr = pfn_to_section_nr(__pa(usage) >> PAGE_SHIFT);  in check_usemap_section_nr()
400 		struct mem_section_usage *usage)  in check_usemap_section_nr()  argument
697 	unsigned long *subsection_map = ms->usage  in clear_subsection_map()
698 		? &ms->usage->subsection_map[0] : NULL;  in clear_subsection_map()
715 	return bitmap_empty(&ms->usage->subsection_map[0],  in is_subsection_map_empty()
728 	subsection_map = &ms->usage->subsection_map[0];  in fill_subsection_map()
846 		if (!PageReserved(virt_to_page(ms->usage))) {  in section_deactivate()
847 			kfree_rcu(ms->usage, rcu);  in section_deactivate()
848 			WRITE_ONCE(ms->usage, NULL);  in section_deactivate()
875 	struct mem_section_usage *usage = NULL;  in section_activate()  local
879 	if (!ms->usage) {  in section_activate()
880 		usage = kzalloc(mem_section_usage_size(), GFP_KERNEL);  in section_activate()
881 		if (!usage)  in section_activate()
883 		ms->usage = usage;  in section_activate()
888 		if (usage)  in section_activate()
889 			ms->usage = NULL;  in section_activate()
890 		kfree(usage);  in section_activate()
963 	sparse_init_one_section(ms, section_nr, memmap, ms->usage, 0);  in sparse_add_section()