1 /* SPDX-License-Identifier: GPL-2.0 */
6 unsigned long base_pfn;
9 unsigned int order_per_bit; /* Order of pages represented by one bit */
11 #ifdef CONFIG_CMA_DEBUGFS
12 struct hlist_head mem_head;
13 spinlock_t mem_head_lock;
18 extern struct cma cma_areas[MAX_CMA_AREAS];
19 extern unsigned cma_area_count;
21 static inline unsigned long cma_bitmap_maxno(struct cma *cma)
23 return cma->count >> cma->order_per_bit;