667 				     struct vmballoon_ctl *ctl,  in vmballoon_alloc_page_list()  argument
679 		if (!list_empty(&ctl->prealloc_pages)) {  in vmballoon_alloc_page_list()
680 			page = list_first_entry(&ctl->prealloc_pages,  in vmballoon_alloc_page_list()
684 			if (ctl->page_size == VMW_BALLOON_2M_PAGE)  in vmballoon_alloc_page_list()
691 						 ctl->page_size);  in vmballoon_alloc_page_list()
696 			list_add(&page->lru, &ctl->pages);  in vmballoon_alloc_page_list()
702 					 ctl->page_size);  in vmballoon_alloc_page_list()
706 	ctl->n_pages = i;  in vmballoon_alloc_page_list()
708 	return req_n_pages == ctl->n_pages ? 0 : -ENOMEM;  in vmballoon_alloc_page_list()
860 static int vmballoon_lock(struct vmballoon *b, struct vmballoon_ctl *ctl)  in vmballoon_lock()  argument
866 	num_pages = ctl->n_pages;  in vmballoon_lock()
874 	list_for_each_entry(page, &ctl->pages, lru)  in vmballoon_lock()
877 	batch_status = vmballoon_lock_op(b, ctl->n_pages, ctl->page_size,  in vmballoon_lock()
878 					 ctl->op);  in vmballoon_lock()
898 		if (!vmballoon_handle_one_result(b, page, ctl->page_size,  in vmballoon_lock()
906 		list_move(&page->lru, &ctl->refused_pages);  in vmballoon_lock()
907 		ctl->n_pages--;  in vmballoon_lock()
908 		ctl->n_refused_pages++;  in vmballoon_lock()
946 					    struct vmballoon_ctl *ctl)  in vmballoon_release_refused_pages()  argument
949 				 ctl->page_size);  in vmballoon_release_refused_pages()
951 	vmballoon_release_page_list(&ctl->refused_pages, &ctl->n_refused_pages,  in vmballoon_release_refused_pages()
952 				    ctl->page_size);  in vmballoon_release_refused_pages()
1087 static void vmballoon_split_refused_pages(struct vmballoon_ctl *ctl)  in vmballoon_split_refused_pages()  argument
1092 	order = vmballoon_page_order(ctl->page_size);  in vmballoon_split_refused_pages()
1094 	list_for_each_entry_safe(page, tmp, &ctl->refused_pages, lru) {  in vmballoon_split_refused_pages()
1098 			list_add(&page[i].lru, &ctl->prealloc_pages);  in vmballoon_split_refused_pages()
1100 	ctl->n_refused_pages = 0;  in vmballoon_split_refused_pages()
1111 	struct vmballoon_ctl ctl = {  in vmballoon_inflate()  local
1112 		.pages = LIST_HEAD_INIT(ctl.pages),  in vmballoon_inflate()
1113 		.refused_pages = LIST_HEAD_INIT(ctl.refused_pages),  in vmballoon_inflate()
1114 		.prealloc_pages = LIST_HEAD_INIT(ctl.prealloc_pages),  in vmballoon_inflate()
1123 		VM_BUG_ON(!list_empty(&ctl.pages));  in vmballoon_inflate()
1124 		VM_BUG_ON(ctl.n_pages != 0);  in vmballoon_inflate()
1126 		page_in_frames = vmballoon_page_in_frames(ctl.page_size);  in vmballoon_inflate()
1133 		alloc_error = vmballoon_alloc_page_list(b, &ctl,  in vmballoon_inflate()
1137 		lock_error = vmballoon_lock(b, &ctl);  in vmballoon_inflate()
1147 		atomic64_add(ctl.n_pages * page_in_frames, &b->size);  in vmballoon_inflate()
1149 		vmballoon_enqueue_page_list(b, &ctl.pages, &ctl.n_pages,  in vmballoon_inflate()
1150 					    ctl.page_size);  in vmballoon_inflate()
1157 		    ctl.n_refused_pages >= VMW_BALLOON_MAX_REFUSED) {  in vmballoon_inflate()
1158 			if (ctl.page_size == VMW_BALLOON_4K_PAGE)  in vmballoon_inflate()
1165 			vmballoon_split_refused_pages(&ctl);  in vmballoon_inflate()
1166 			ctl.page_size--;  in vmballoon_inflate()
1177 	if (ctl.n_refused_pages != 0)  in vmballoon_inflate()
1178 		vmballoon_release_refused_pages(b, &ctl);  in vmballoon_inflate()
1180 	vmballoon_release_page_list(&ctl.prealloc_pages, NULL, ctl.page_size);  in vmballoon_inflate()
1200 	struct vmballoon_ctl ctl = {  in vmballoon_deflate()  local
1201 		.pages = LIST_HEAD_INIT(ctl.pages),  in vmballoon_deflate()
1202 		.refused_pages = LIST_HEAD_INIT(ctl.refused_pages),  in vmballoon_deflate()
1214 		page_in_frames = vmballoon_page_in_frames(ctl.page_size);  in vmballoon_deflate()
1216 		VM_BUG_ON(!list_empty(&ctl.pages));  in vmballoon_deflate()
1217 		VM_BUG_ON(ctl.n_pages);  in vmballoon_deflate()
1218 		VM_BUG_ON(!list_empty(&ctl.refused_pages));  in vmballoon_deflate()
1219 		VM_BUG_ON(ctl.n_refused_pages);  in vmballoon_deflate()
1242 		vmballoon_dequeue_page_list(b, &ctl.pages, &ctl.n_pages,  in vmballoon_deflate()
1243 					    ctl.page_size, to_deflate_pages);  in vmballoon_deflate()
1249 		tried_frames += ctl.n_pages * page_in_frames;  in vmballoon_deflate()
1259 			vmballoon_lock(b, &ctl);  in vmballoon_deflate()
1267 		deflated_all = (ctl.n_pages == to_deflate_pages);  in vmballoon_deflate()
1270 		n_unlocked_frames = ctl.n_pages * page_in_frames;  in vmballoon_deflate()
1275 					 ctl.page_size, ctl.n_pages);  in vmballoon_deflate()
1278 		vmballoon_release_page_list(&ctl.pages, &ctl.n_pages,  in vmballoon_deflate()
1279 					    ctl.page_size);  in vmballoon_deflate()
1282 		vmballoon_enqueue_page_list(b, &ctl.refused_pages,  in vmballoon_deflate()
1283 					    &ctl.n_refused_pages,  in vmballoon_deflate()
1284 					    ctl.page_size);  in vmballoon_deflate()
1288 			if (ctl.page_size == b->max_page_size)  in vmballoon_deflate()
1290 			ctl.page_size++;  in vmballoon_deflate()