209 		subsection_mask_set(ms->usage->subsection_map, pfn, pfns);  in subsection_map_init()
660 	unsigned long *subsection_map = ms->usage  in clear_subsection_map()  local
661 		? &ms->usage->subsection_map[0] : NULL;  in clear_subsection_map()
664 	if (subsection_map)  in clear_subsection_map()
665 		bitmap_and(tmp, map, subsection_map, SUBSECTIONS_PER_SECTION);  in clear_subsection_map()
667 	if (WARN(!subsection_map || !bitmap_equal(tmp, map, SUBSECTIONS_PER_SECTION),  in clear_subsection_map()
672 	bitmap_xor(subsection_map, map, subsection_map, SUBSECTIONS_PER_SECTION);  in clear_subsection_map()
678 	return bitmap_empty(&ms->usage->subsection_map[0],  in is_subsection_map_empty()
686 	unsigned long *subsection_map;  in fill_subsection_map()  local
691 	subsection_map = &ms->usage->subsection_map[0];  in fill_subsection_map()
695 	else if (bitmap_intersects(map, subsection_map, SUBSECTIONS_PER_SECTION))  in fill_subsection_map()
698 		bitmap_or(subsection_map, map, subsection_map,  in fill_subsection_map()