235 		subsection_mask_set(ms->usage->subsection_map, pfn, pfns);  in subsection_map_init()
677 	unsigned long *subsection_map = ms->usage  in clear_subsection_map()  local
678 		? &ms->usage->subsection_map[0] : NULL;  in clear_subsection_map()
681 	if (subsection_map)  in clear_subsection_map()
682 		bitmap_and(tmp, map, subsection_map, SUBSECTIONS_PER_SECTION);  in clear_subsection_map()
684 	if (WARN(!subsection_map || !bitmap_equal(tmp, map, SUBSECTIONS_PER_SECTION),  in clear_subsection_map()
689 	bitmap_xor(subsection_map, map, subsection_map, SUBSECTIONS_PER_SECTION);  in clear_subsection_map()
695 	return bitmap_empty(&ms->usage->subsection_map[0],  in is_subsection_map_empty()
703 	unsigned long *subsection_map;  in fill_subsection_map()  local
708 	subsection_map = &ms->usage->subsection_map[0];  in fill_subsection_map()
712 	else if (bitmap_intersects(map, subsection_map, SUBSECTIONS_PER_SECTION))  in fill_subsection_map()
715 		bitmap_or(subsection_map, map, subsection_map,  in fill_subsection_map()