5 unsigned long base_pfn;
8 unsigned int order_per_bit; /* Order of pages represented by one bit */
10 #ifdef CONFIG_CMA_DEBUGFS
11 struct hlist_head mem_head;
12 spinlock_t mem_head_lock;
17 extern struct cma cma_areas[MAX_CMA_AREAS];
18 extern unsigned cma_area_count;
20 static inline unsigned long cma_bitmap_maxno(struct cma *cma)
22 return cma->count >> cma->order_per_bit;