https://github.com/torvalds/linux
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Tip revision: 0b07194bb55ed836c2cc7c22e866b87a14681984 authored by Linus Torvalds on 29 October 2017, 20:58:38 UTC
Linux 4.14-rc7
Tip revision: 0b07194
zbud.h
#ifndef _ZBUD_H_
#define _ZBUD_H_

#include <linux/types.h>

struct zbud_pool;

struct zbud_ops {
	int (*evict)(struct zbud_pool *pool, unsigned long handle);
};

struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
void zbud_destroy_pool(struct zbud_pool *pool);
int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
	unsigned long *handle);
void zbud_free(struct zbud_pool *pool, unsigned long handle);
int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
void *zbud_map(struct zbud_pool *pool, unsigned long handle);
void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
u64 zbud_get_pool_size(struct zbud_pool *pool);

#endif /* _ZBUD_H_ */
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