linux/mm/cma.h

21 lines
419 B
C

#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