583 static inline bool has_pfn_is_backed(struct hv_hotadd_state *has,  in has_pfn_is_backed()  argument
589 	if ((pfn < has->covered_start_pfn) || (pfn >= has->covered_end_pfn))  in has_pfn_is_backed()
593 	list_for_each_entry(gap, &has->gap_list, list) {  in has_pfn_is_backed()
605 	struct hv_hotadd_state *has;  in hv_page_offline_check()  local
614 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
615 			while ((pfn >= has->start_pfn) &&  in hv_page_offline_check()
616 			       (pfn < has->end_pfn) &&  in hv_page_offline_check()
619 				if (has_pfn_is_backed(has, pfn))  in hv_page_offline_check()
680 static void hv_page_online_one(struct hv_hotadd_state *has, struct page *pg)  in hv_page_online_one()  argument
682 	if (!has_pfn_is_backed(has, page_to_pfn(pg))) {  in hv_page_online_one()
697 static void hv_bring_pgs_online(struct hv_hotadd_state *has,  in hv_bring_pgs_online()  argument
704 		hv_page_online_one(has, pfn_to_page(start_pfn + i));  in hv_bring_pgs_online()
709 				struct hv_hotadd_state *has)  in hv_mem_hot_add()  argument
722 		has->ha_end_pfn +=  HA_CHUNK;  in hv_mem_hot_add()
732 		has->covered_end_pfn +=  processed_pfn;  in hv_mem_hot_add()
754 			has->ha_end_pfn -= HA_CHUNK;  in hv_mem_hot_add()
755 			has->covered_end_pfn -=  processed_pfn;  in hv_mem_hot_add()
775 	struct hv_hotadd_state *has;  in hv_online_page()  local
780 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
782 		if ((pfn < has->start_pfn) ||  in hv_online_page()
783 				(pfn + (1UL << order) > has->end_pfn))  in hv_online_page()
786 		hv_bring_pgs_online(has, pfn, 1UL << order);  in hv_online_page()
794 	struct hv_hotadd_state *has;  in pfn_covered()  local
801 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
806 		if (start_pfn < has->start_pfn || start_pfn >= has->end_pfn)  in pfn_covered()
813 		if (has->covered_end_pfn != start_pfn) {  in pfn_covered()
821 			gap->start_pfn = has->covered_end_pfn;  in pfn_covered()
823 			list_add_tail(&gap->list, &has->gap_list);  in pfn_covered()
825 			has->covered_end_pfn = start_pfn;  in pfn_covered()
832 		if ((start_pfn + pfn_cnt) > has->end_pfn) {  in pfn_covered()
833 			residual = (start_pfn + pfn_cnt - has->end_pfn);  in pfn_covered()
841 			has->end_pfn += new_inc;  in pfn_covered()
858 	struct hv_hotadd_state *has;  in handle_pg_range()  local
867 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
872 		if (start_pfn < has->start_pfn || start_pfn >= has->end_pfn)  in handle_pg_range()
875 		old_covered_state = has->covered_end_pfn;  in handle_pg_range()
877 		if (start_pfn < has->ha_end_pfn) {  in handle_pg_range()
883 			pgs_ol = has->ha_end_pfn - start_pfn;  in handle_pg_range()
887 			has->covered_end_pfn +=  pgs_ol;  in handle_pg_range()
897 			if (start_pfn > has->start_pfn &&  in handle_pg_range()
899 				hv_bring_pgs_online(has, start_pfn, pgs_ol);  in handle_pg_range()
903 		if ((has->ha_end_pfn < has->end_pfn) && (pfn_cnt > 0)) {  in handle_pg_range()
911 			size = (has->end_pfn - has->ha_end_pfn);  in handle_pg_range()
920 			hv_mem_hot_add(has->ha_end_pfn, size, pfn_cnt, has);  in handle_pg_range()
927 		res = has->covered_end_pfn - old_covered_state;  in handle_pg_range()
1996 	struct hv_hotadd_state *has, *tmp;  in balloon_remove()  local
2025 	list_for_each_entry_safe(has, tmp, &dm->ha_region_list, list) {  in balloon_remove()
2026 		list_for_each_entry_safe(gap, tmp_gap, &has->gap_list, list) {  in balloon_remove()
2030 		list_del(&has->list);  in balloon_remove()
2031 		kfree(has);  in balloon_remove()