linux/mm/cma.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MM_CMA_H__
#define __MM_CMA_H__

#include <linux/debugfs.h>
#include <linux/kobject.h>

struct cma_kobject { … };

struct cma { … };

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

static inline unsigned long cma_bitmap_maxno(struct cma *cma)
{ … }

#ifdef CONFIG_CMA_SYSFS
void cma_sysfs_account_success_pages(struct cma *cma, unsigned long nr_pages);
void cma_sysfs_account_fail_pages(struct cma *cma, unsigned long nr_pages);
void cma_sysfs_account_release_pages(struct cma *cma, unsigned long nr_pages);
#else
static inline void cma_sysfs_account_success_pages(struct cma *cma,
						   unsigned long nr_pages) {};
static inline void cma_sysfs_account_fail_pages(struct cma *cma,
						unsigned long nr_pages) {};
static inline void cma_sysfs_account_release_pages(struct cma *cma,
						   unsigned long nr_pages) {};
#endif
#endif