20 	struct mmu_gather_batch *batch;  in tlb_next_batch()  local
26 	batch = tlb->active;  in tlb_next_batch()
27 	if (batch->next) {  in tlb_next_batch()
28 		tlb->active = batch->next;  in tlb_next_batch()
35 	batch = (void *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);  in tlb_next_batch()
36 	if (!batch)  in tlb_next_batch()
40 	batch->next = NULL;  in tlb_next_batch()
41 	batch->nr   = 0;  in tlb_next_batch()
42 	batch->max  = MAX_GATHER_BATCH;  in tlb_next_batch()
44 	tlb->active->next = batch;  in tlb_next_batch()
45 	tlb->active = batch;  in tlb_next_batch()
51 static void tlb_flush_rmap_batch(struct mmu_gather_batch *batch, struct vm_area_struct *vma)  in tlb_flush_rmap_batch()  argument
53 	for (int i = 0; i < batch->nr; i++) {  in tlb_flush_rmap_batch()
54 		struct encoded_page *enc = batch->encoded_pages[i];  in tlb_flush_rmap_batch()
87 	struct mmu_gather_batch *batch;  in tlb_batch_pages_flush()  local
89 	for (batch = &tlb->local; batch && batch->nr; batch = batch->next) {  in tlb_batch_pages_flush()
90 		struct encoded_page **pages = batch->encoded_pages;  in tlb_batch_pages_flush()
96 			unsigned int nr = min(512U, batch->nr);  in tlb_batch_pages_flush()
100 			batch->nr -= nr;  in tlb_batch_pages_flush()
103 		} while (batch->nr);  in tlb_batch_pages_flush()
110 	struct mmu_gather_batch *batch, *next;  in tlb_batch_list_free()  local
112 	for (batch = tlb->local.next; batch; batch = next) {  in tlb_batch_list_free()
113 		next = batch->next;  in tlb_batch_list_free()
114 		free_pages((unsigned long)batch, 0);  in tlb_batch_list_free()
121 	struct mmu_gather_batch *batch;  in __tlb_remove_page_size()  local
129 	batch = tlb->active;  in __tlb_remove_page_size()
134 	batch->encoded_pages[batch->nr++] = page;  in __tlb_remove_page_size()
135 	if (batch->nr == batch->max) {  in __tlb_remove_page_size()
138 		batch = tlb->active;  in __tlb_remove_page_size()
140 	VM_BUG_ON_PAGE(batch->nr > batch->max, encoded_page_ptr(page));  in __tlb_remove_page_size()
149 static void __tlb_remove_table_free(struct mmu_table_batch *batch)  in __tlb_remove_table_free()  argument
153 	for (i = 0; i < batch->nr; i++)  in __tlb_remove_table_free()
154 		__tlb_remove_table(batch->tables[i]);  in __tlb_remove_table_free()
156 	free_page((unsigned long)batch);  in __tlb_remove_table_free()
212 static void tlb_remove_table_free(struct mmu_table_batch *batch)  in tlb_remove_table_free()  argument
214 	call_rcu(&batch->rcu, tlb_remove_table_rcu);  in tlb_remove_table_free()
219 static void tlb_remove_table_free(struct mmu_table_batch *batch)  in tlb_remove_table_free()  argument
221 	__tlb_remove_table_free(batch);  in tlb_remove_table_free()
249 	struct mmu_table_batch **batch = &tlb->batch;  in tlb_table_flush()  local
251 	if (*batch) {  in tlb_table_flush()
253 		tlb_remove_table_free(*batch);  in tlb_table_flush()
254 		*batch = NULL;  in tlb_table_flush()
260 	struct mmu_table_batch **batch = &tlb->batch;  in tlb_remove_table()  local
262 	if (*batch == NULL) {  in tlb_remove_table()
263 		*batch = (struct mmu_table_batch *)__get_free_page(GFP_NOWAIT | __GFP_NOWARN);  in tlb_remove_table()
264 		if (*batch == NULL) {  in tlb_remove_table()
269 		(*batch)->nr = 0;  in tlb_remove_table()
272 	(*batch)->tables[(*batch)->nr++] = table;  in tlb_remove_table()
273 	if ((*batch)->nr == MAX_TABLE_BATCH)  in tlb_remove_table()
279 	tlb->batch = NULL;  in tlb_table_init()