Release 4.7 mm/cma.h

#ifndef __MM_CMA_H__

#define __MM_CMA_H__


struct cma {
	
unsigned long   base_pfn;
	
unsigned long   count;
	
unsigned long   *bitmap;
	
unsigned int order_per_bit; /* Order of pages represented by one bit */
	
struct mutex    lock;
#ifdef CONFIG_CMA_DEBUGFS
	
struct hlist_head mem_head;
	
spinlock_t mem_head_lock;
#endif
};

extern struct cma cma_areas[MAX_CMA_AREAS];
extern unsigned cma_area_count;



static inline unsigned long cma_bitmap_maxno(struct cma *cma)
{
	return cma->count >> cma->order_per_bit;
}

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#endif
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