include/linux/zbud.h

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