177 	struct mmu_gather_batch *batch;  in tlb_next_batch()  local
179 	batch = tlb->active;  in tlb_next_batch()
180 	if (batch->next) {  in tlb_next_batch()
181 		tlb->active = batch->next;  in tlb_next_batch()
188 	batch = (void *)__get_free_pages(GFP_NOWAIT | __GFP_NOWARN, 0);  in tlb_next_batch()
189 	if (!batch)  in tlb_next_batch()
193 	batch->next = NULL;  in tlb_next_batch()
194 	batch->nr   = 0;  in tlb_next_batch()
195 	batch->max  = MAX_GATHER_BATCH;  in tlb_next_batch()
197 	tlb->active->next = batch;  in tlb_next_batch()
198 	tlb->active = batch;  in tlb_next_batch()
222 	tlb->batch = NULL;  in tlb_gather_mmu()
228 	struct mmu_gather_batch *batch;  in tlb_flush_mmu()  local
241 	for (batch = &tlb->local; batch; batch = batch->next) {  in tlb_flush_mmu()
242 		free_pages_and_swap_cache(batch->pages, batch->nr);  in tlb_flush_mmu()
243 		batch->nr = 0;  in tlb_flush_mmu()
254 	struct mmu_gather_batch *batch, *next;  in tlb_finish_mmu()  local
261 	for (batch = tlb->local.next; batch; batch = next) {  in tlb_finish_mmu()
262 		next = batch->next;  in tlb_finish_mmu()
263 		free_pages((unsigned long)batch, 0);  in tlb_finish_mmu()
276 	struct mmu_gather_batch *batch;  in __tlb_remove_page()  local
285 	batch = tlb->active;  in __tlb_remove_page()
286 	batch->pages[batch->nr++] = page;  in __tlb_remove_page()
287 	if (batch->nr == batch->max) {  in __tlb_remove_page()
290 		batch = tlb->active;  in __tlb_remove_page()
292 	VM_BUG_ON(batch->nr > batch->max);  in __tlb_remove_page()
294 	return batch->max - batch->nr;  in __tlb_remove_page()
325 	struct mmu_table_batch *batch;  in tlb_remove_table_rcu()  local
328 	batch = container_of(head, struct mmu_table_batch, rcu);  in tlb_remove_table_rcu()
330 	for (i = 0; i < batch->nr; i++)  in tlb_remove_table_rcu()
331 		__tlb_remove_table(batch->tables[i]);  in tlb_remove_table_rcu()
333 	free_page((unsigned long)batch);  in tlb_remove_table_rcu()
338 	struct mmu_table_batch **batch = &tlb->batch;  in tlb_table_flush()  local
340 	if (*batch) {  in tlb_table_flush()
341 		call_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);  in tlb_table_flush()
342 		*batch = NULL;  in tlb_table_flush()
348 	struct mmu_table_batch **batch = &tlb->batch;  in tlb_remove_table()  local
361 	if (*batch == NULL) {  in tlb_remove_table()
362 		*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);  in tlb_remove_table()
363 		if (*batch == NULL) {  in tlb_remove_table()
367 		(*batch)->nr = 0;  in tlb_remove_table()
369 	(*batch)->tables[(*batch)->nr++] = table;  in tlb_remove_table()
370 	if ((*batch)->nr == MAX_TABLE_BATCH)  in tlb_remove_table()