1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/debugfs.h>
8 unsigned long base_pfn;
10 unsigned long *bitmap;
11 unsigned int order_per_bit; /* Order of pages represented by one bit */
13 #ifdef CONFIG_CMA_DEBUGFS
14 struct hlist_head mem_head;
15 spinlock_t mem_head_lock;
16 struct debugfs_u32_array dfs_bitmap;
18 char name[CMA_MAX_NAME];
21 extern struct cma cma_areas[MAX_CMA_AREAS];
22 extern unsigned cma_area_count;
24 static inline unsigned long cma_bitmap_maxno(struct cma *cma)
26 return cma->count >> cma->order_per_bit;