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Revision 5a44ed0d30dd0681df44eb085c31b371b7fe84fe authored by Linus Torvalds on 27 November 2015, 19:05:50 UTC, committed by Linus Torvalds on 27 November 2015, 19:05:50 UTC 
Merge tag 'nios2-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2
 
Pull nios2 fix from Ley Foon Tan:
 "nios2: fix cache coherency"

* tag 'nios2-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2:
  nios2: fix cache coherency
2 parent s 03018ac + 8e3d7c8
Raw File
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;
}

#endif
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