185 	struct mmu_gather_batch *batch;  in tlb_next_batch()  local
187 	batch = tlb->active;  in tlb_next_batch()
188 	if (batch->next) {  in tlb_next_batch()
189 		tlb->active = batch->next;  in tlb_next_batch()
196 	batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);  in tlb_next_batch()
197 	if (!batch)  in tlb_next_batch()
201 	batch->next = NULL;  in tlb_next_batch()
202 	batch->nr   = 0;  in tlb_next_batch()
203 	batch->max  = MAX_GATHER_BATCH;  in tlb_next_batch()
205 	tlb->active->next = batch;  in tlb_next_batch()
206 	tlb->active = batch;  in tlb_next_batch()
230 	tlb->batch = NULL;  in tlb_gather_mmu()
251 	struct mmu_gather_batch *batch;  in tlb_flush_mmu_free()  local
253 	for (batch = &tlb->local; batch && batch->nr; batch = batch->next) {  in tlb_flush_mmu_free()
254 		free_pages_and_swap_cache(batch->pages, batch->nr);  in tlb_flush_mmu_free()
255 		batch->nr = 0;  in tlb_flush_mmu_free()
272 	struct mmu_gather_batch *batch, *next;  in tlb_finish_mmu()  local
279 	for (batch = tlb->local.next; batch; batch = next) {  in tlb_finish_mmu()
280 		next = batch->next;  in tlb_finish_mmu()
281 		free_pages((unsigned long)batch, 0);  in tlb_finish_mmu()
294 	struct mmu_gather_batch *batch;  in __tlb_remove_page()  local
298 	batch = tlb->active;  in __tlb_remove_page()
299 	batch->pages[batch->nr++] = page;  in __tlb_remove_page()
300 	if (batch->nr == batch->max) {  in __tlb_remove_page()
303 		batch = tlb->active;  in __tlb_remove_page()
305 	VM_BUG_ON_PAGE(batch->nr > batch->max, page);  in __tlb_remove_page()
307 	return batch->max - batch->nr;  in __tlb_remove_page()
338 	struct mmu_table_batch *batch;  in tlb_remove_table_rcu()  local
341 	batch = container_of(head, struct mmu_table_batch, rcu);  in tlb_remove_table_rcu()
343 	for (i = 0; i < batch->nr; i++)  in tlb_remove_table_rcu()
344 		__tlb_remove_table(batch->tables[i]);  in tlb_remove_table_rcu()
346 	free_page((unsigned long)batch);  in tlb_remove_table_rcu()
351 	struct mmu_table_batch **batch = &tlb->batch;  in tlb_table_flush()  local
353 	if (*batch) {  in tlb_table_flush()
354 		call_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);  in tlb_table_flush()
355 		*batch = NULL;  in tlb_table_flush()
361 	struct mmu_table_batch **batch = &tlb->batch;  in tlb_remove_table()  local
372 	if (*batch == NULL) {  in tlb_remove_table()
373 		*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);  in tlb_remove_table()
374 		if (*batch == NULL) {  in tlb_remove_table()
378 		(*batch)->nr = 0;  in tlb_remove_table()
380 	(*batch)->tables[(*batch)->nr++] = table;  in tlb_remove_table()
381 	if ((*batch)->nr == MAX_TABLE_BATCH)  in tlb_remove_table()