[mirror_ubuntu-hirsute-kernel.git] / 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;
};

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

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

#endif
Commit	Line	Data
28b24c1f SL	1	#ifndef __MM_CMA_H__
	2	#define __MM_CMA_H__
	3
	4	struct cma {
	5	unsigned long base_pfn;
	6	unsigned long count;
	7	unsigned long *bitmap;
	8	unsigned int order_per_bit; /* Order of pages represented by one bit */
	9	struct mutex lock;
	10	};
	11
	12	extern struct cma cma_areas[MAX_CMA_AREAS];
	13	extern unsigned cma_area_count;
	14
	15	static unsigned long cma_bitmap_maxno(struct cma *cma)
	16	{
	17	return cma->count >> cma->order_per_bit;
	18	}
	19
	20	#endif