666 				     struct vmballoon_ctl *ctl,  in vmballoon_alloc_page_list()  argument
678 		if (!list_empty(&ctl->prealloc_pages)) {  in vmballoon_alloc_page_list()
679 			page = list_first_entry(&ctl->prealloc_pages,  in vmballoon_alloc_page_list()
683 			if (ctl->page_size == VMW_BALLOON_2M_PAGE)  in vmballoon_alloc_page_list()
690 						 ctl->page_size);  in vmballoon_alloc_page_list()
695 			list_add(&page->lru, &ctl->pages);  in vmballoon_alloc_page_list()
701 					 ctl->page_size);  in vmballoon_alloc_page_list()
705 	ctl->n_pages = i;  in vmballoon_alloc_page_list()
707 	return req_n_pages == ctl->n_pages ? 0 : -ENOMEM;  in vmballoon_alloc_page_list()
859 static int vmballoon_lock(struct vmballoon *b, struct vmballoon_ctl *ctl)  in vmballoon_lock()  argument
865 	num_pages = ctl->n_pages;  in vmballoon_lock()
873 	list_for_each_entry(page, &ctl->pages, lru)  in vmballoon_lock()
876 	batch_status = vmballoon_lock_op(b, ctl->n_pages, ctl->page_size,  in vmballoon_lock()
877 					 ctl->op);  in vmballoon_lock()
897 		if (!vmballoon_handle_one_result(b, page, ctl->page_size,  in vmballoon_lock()
905 		list_move(&page->lru, &ctl->refused_pages);  in vmballoon_lock()
906 		ctl->n_pages--;  in vmballoon_lock()
907 		ctl->n_refused_pages++;  in vmballoon_lock()
945 					    struct vmballoon_ctl *ctl)  in vmballoon_release_refused_pages()  argument
948 				 ctl->page_size);  in vmballoon_release_refused_pages()
950 	vmballoon_release_page_list(&ctl->refused_pages, &ctl->n_refused_pages,  in vmballoon_release_refused_pages()
951 				    ctl->page_size);  in vmballoon_release_refused_pages()
1086 static void vmballoon_split_refused_pages(struct vmballoon_ctl *ctl)  in vmballoon_split_refused_pages()  argument
1091 	order = vmballoon_page_order(ctl->page_size);  in vmballoon_split_refused_pages()
1093 	list_for_each_entry_safe(page, tmp, &ctl->refused_pages, lru) {  in vmballoon_split_refused_pages()
1097 			list_add(&page[i].lru, &ctl->prealloc_pages);  in vmballoon_split_refused_pages()
1099 	ctl->n_refused_pages = 0;  in vmballoon_split_refused_pages()
1110 	struct vmballoon_ctl ctl = {  in vmballoon_inflate()  local
1111 		.pages = LIST_HEAD_INIT(ctl.pages),  in vmballoon_inflate()
1112 		.refused_pages = LIST_HEAD_INIT(ctl.refused_pages),  in vmballoon_inflate()
1113 		.prealloc_pages = LIST_HEAD_INIT(ctl.prealloc_pages),  in vmballoon_inflate()
1122 		VM_BUG_ON(!list_empty(&ctl.pages));  in vmballoon_inflate()
1123 		VM_BUG_ON(ctl.n_pages != 0);  in vmballoon_inflate()
1125 		page_in_frames = vmballoon_page_in_frames(ctl.page_size);  in vmballoon_inflate()
1132 		alloc_error = vmballoon_alloc_page_list(b, &ctl,  in vmballoon_inflate()
1136 		lock_error = vmballoon_lock(b, &ctl);  in vmballoon_inflate()
1146 		atomic64_add(ctl.n_pages * page_in_frames, &b->size);  in vmballoon_inflate()
1148 		vmballoon_enqueue_page_list(b, &ctl.pages, &ctl.n_pages,  in vmballoon_inflate()
1149 					    ctl.page_size);  in vmballoon_inflate()
1156 		    ctl.n_refused_pages >= VMW_BALLOON_MAX_REFUSED) {  in vmballoon_inflate()
1157 			if (ctl.page_size == VMW_BALLOON_4K_PAGE)  in vmballoon_inflate()
1164 			vmballoon_split_refused_pages(&ctl);  in vmballoon_inflate()
1165 			ctl.page_size--;  in vmballoon_inflate()
1176 	if (ctl.n_refused_pages != 0)  in vmballoon_inflate()
1177 		vmballoon_release_refused_pages(b, &ctl);  in vmballoon_inflate()
1179 	vmballoon_release_page_list(&ctl.prealloc_pages, NULL, ctl.page_size);  in vmballoon_inflate()
1199 	struct vmballoon_ctl ctl = {  in vmballoon_deflate()  local
1200 		.pages = LIST_HEAD_INIT(ctl.pages),  in vmballoon_deflate()
1201 		.refused_pages = LIST_HEAD_INIT(ctl.refused_pages),  in vmballoon_deflate()
1213 		page_in_frames = vmballoon_page_in_frames(ctl.page_size);  in vmballoon_deflate()
1215 		VM_BUG_ON(!list_empty(&ctl.pages));  in vmballoon_deflate()
1216 		VM_BUG_ON(ctl.n_pages);  in vmballoon_deflate()
1217 		VM_BUG_ON(!list_empty(&ctl.refused_pages));  in vmballoon_deflate()
1218 		VM_BUG_ON(ctl.n_refused_pages);  in vmballoon_deflate()
1241 		vmballoon_dequeue_page_list(b, &ctl.pages, &ctl.n_pages,  in vmballoon_deflate()
1242 					    ctl.page_size, to_deflate_pages);  in vmballoon_deflate()
1248 		tried_frames += ctl.n_pages * page_in_frames;  in vmballoon_deflate()
1258 			vmballoon_lock(b, &ctl);  in vmballoon_deflate()
1266 		deflated_all = (ctl.n_pages == to_deflate_pages);  in vmballoon_deflate()
1269 		n_unlocked_frames = ctl.n_pages * page_in_frames;  in vmballoon_deflate()
1274 					 ctl.page_size, ctl.n_pages);  in vmballoon_deflate()
1277 		vmballoon_release_page_list(&ctl.pages, &ctl.n_pages,  in vmballoon_deflate()
1278 					    ctl.page_size);  in vmballoon_deflate()
1281 		vmballoon_enqueue_page_list(b, &ctl.refused_pages,  in vmballoon_deflate()
1282 					    &ctl.n_refused_pages,  in vmballoon_deflate()
1283 					    ctl.page_size);  in vmballoon_deflate()
1287 			if (ctl.page_size == b->max_page_size)  in vmballoon_deflate()
1289 			ctl.page_size++;  in vmballoon_deflate()