LXR linux/include/linux/zbud.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ZBUD_H_
   3#define _ZBUD_H_
   4
   5#include <linux/types.h>
   6
   7struct zbud_pool;
   8
   9struct zbud_ops {
  10        int (*evict)(struct zbud_pool *pool, unsigned long handle);
  11};
  12
  13struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops);
  14void zbud_destroy_pool(struct zbud_pool *pool);
  15int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp,
  16        unsigned long *handle);
  17void zbud_free(struct zbud_pool *pool, unsigned long handle);
  18int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries);
  19void *zbud_map(struct zbud_pool *pool, unsigned long handle);
  20void zbud_unmap(struct zbud_pool *pool, unsigned long handle);
  21u64 zbud_get_pool_size(struct zbud_pool *pool);
  22
  23#endif /* _ZBUD_H_ */
  24