651 				     struct vmballoon_ctl *ctl,  in vmballoon_alloc_page_list()  argument
663 		if (!list_empty(&ctl->prealloc_pages)) {  in vmballoon_alloc_page_list()
664 			page = list_first_entry(&ctl->prealloc_pages,  in vmballoon_alloc_page_list()
668 			if (ctl->page_size == VMW_BALLOON_2M_PAGE)  in vmballoon_alloc_page_list()
675 						 ctl->page_size);  in vmballoon_alloc_page_list()
680 			list_add(&page->lru, &ctl->pages);  in vmballoon_alloc_page_list()
686 					 ctl->page_size);  in vmballoon_alloc_page_list()
690 	ctl->n_pages = i;  in vmballoon_alloc_page_list()
692 	return req_n_pages == ctl->n_pages ? 0 : -ENOMEM;  in vmballoon_alloc_page_list()
844 static int vmballoon_lock(struct vmballoon *b, struct vmballoon_ctl *ctl)  in vmballoon_lock()  argument
850 	num_pages = ctl->n_pages;  in vmballoon_lock()
858 	list_for_each_entry(page, &ctl->pages, lru)  in vmballoon_lock()
861 	batch_status = vmballoon_lock_op(b, ctl->n_pages, ctl->page_size,  in vmballoon_lock()
862 					 ctl->op);  in vmballoon_lock()
882 		if (!vmballoon_handle_one_result(b, page, ctl->page_size,  in vmballoon_lock()
890 		list_move(&page->lru, &ctl->refused_pages);  in vmballoon_lock()
891 		ctl->n_pages--;  in vmballoon_lock()
892 		ctl->n_refused_pages++;  in vmballoon_lock()
930 					    struct vmballoon_ctl *ctl)  in vmballoon_release_refused_pages()  argument
933 				 ctl->page_size);  in vmballoon_release_refused_pages()
935 	vmballoon_release_page_list(&ctl->refused_pages, &ctl->n_refused_pages,  in vmballoon_release_refused_pages()
936 				    ctl->page_size);  in vmballoon_release_refused_pages()
1071 static void vmballoon_split_refused_pages(struct vmballoon_ctl *ctl)  in vmballoon_split_refused_pages()  argument
1076 	order = vmballoon_page_order(ctl->page_size);  in vmballoon_split_refused_pages()
1078 	list_for_each_entry_safe(page, tmp, &ctl->refused_pages, lru) {  in vmballoon_split_refused_pages()
1082 			list_add(&page[i].lru, &ctl->prealloc_pages);  in vmballoon_split_refused_pages()
1084 	ctl->n_refused_pages = 0;  in vmballoon_split_refused_pages()
1095 	struct vmballoon_ctl ctl = {  in vmballoon_inflate()  local
1096 		.pages = LIST_HEAD_INIT(ctl.pages),  in vmballoon_inflate()
1097 		.refused_pages = LIST_HEAD_INIT(ctl.refused_pages),  in vmballoon_inflate()
1098 		.prealloc_pages = LIST_HEAD_INIT(ctl.prealloc_pages),  in vmballoon_inflate()
1107 		VM_BUG_ON(!list_empty(&ctl.pages));  in vmballoon_inflate()
1108 		VM_BUG_ON(ctl.n_pages != 0);  in vmballoon_inflate()
1110 		page_in_frames = vmballoon_page_in_frames(ctl.page_size);  in vmballoon_inflate()
1117 		alloc_error = vmballoon_alloc_page_list(b, &ctl,  in vmballoon_inflate()
1121 		lock_error = vmballoon_lock(b, &ctl);  in vmballoon_inflate()
1131 		atomic64_add(ctl.n_pages * page_in_frames, &b->size);  in vmballoon_inflate()
1133 		vmballoon_enqueue_page_list(b, &ctl.pages, &ctl.n_pages,  in vmballoon_inflate()
1134 					    ctl.page_size);  in vmballoon_inflate()
1141 		    ctl.n_refused_pages >= VMW_BALLOON_MAX_REFUSED) {  in vmballoon_inflate()
1142 			if (ctl.page_size == VMW_BALLOON_4K_PAGE)  in vmballoon_inflate()
1149 			vmballoon_split_refused_pages(&ctl);  in vmballoon_inflate()
1150 			ctl.page_size--;  in vmballoon_inflate()
1161 	if (ctl.n_refused_pages != 0)  in vmballoon_inflate()
1162 		vmballoon_release_refused_pages(b, &ctl);  in vmballoon_inflate()
1164 	vmballoon_release_page_list(&ctl.prealloc_pages, NULL, ctl.page_size);  in vmballoon_inflate()
1184 	struct vmballoon_ctl ctl = {  in vmballoon_deflate()  local
1185 		.pages = LIST_HEAD_INIT(ctl.pages),  in vmballoon_deflate()
1186 		.refused_pages = LIST_HEAD_INIT(ctl.refused_pages),  in vmballoon_deflate()
1198 		page_in_frames = vmballoon_page_in_frames(ctl.page_size);  in vmballoon_deflate()
1200 		VM_BUG_ON(!list_empty(&ctl.pages));  in vmballoon_deflate()
1201 		VM_BUG_ON(ctl.n_pages);  in vmballoon_deflate()
1202 		VM_BUG_ON(!list_empty(&ctl.refused_pages));  in vmballoon_deflate()
1203 		VM_BUG_ON(ctl.n_refused_pages);  in vmballoon_deflate()
1226 		vmballoon_dequeue_page_list(b, &ctl.pages, &ctl.n_pages,  in vmballoon_deflate()
1227 					    ctl.page_size, to_deflate_pages);  in vmballoon_deflate()
1233 		tried_frames += ctl.n_pages * page_in_frames;  in vmballoon_deflate()
1243 			vmballoon_lock(b, &ctl);  in vmballoon_deflate()
1251 		deflated_all = (ctl.n_pages == to_deflate_pages);  in vmballoon_deflate()
1254 		n_unlocked_frames = ctl.n_pages * page_in_frames;  in vmballoon_deflate()
1259 					 ctl.page_size, ctl.n_pages);  in vmballoon_deflate()
1262 		vmballoon_release_page_list(&ctl.pages, &ctl.n_pages,  in vmballoon_deflate()
1263 					    ctl.page_size);  in vmballoon_deflate()
1266 		vmballoon_enqueue_page_list(b, &ctl.refused_pages,  in vmballoon_deflate()
1267 					    &ctl.n_refused_pages,  in vmballoon_deflate()
1268 					    ctl.page_size);  in vmballoon_deflate()
1272 			if (ctl.page_size == b->max_page_size)  in vmballoon_deflate()
1274 			ctl.page_size++;  in vmballoon_deflate()