bcachefs-tools/include/linux/shrinker.h
2017-11-12 16:48:07 -05:00

28 lines
639 B
C

#ifndef __TOOLS_LINUX_SHRINKER_H
#define __TOOLS_LINUX_SHRINKER_H
struct shrink_control {
gfp_t gfp_mask;
unsigned long nr_to_scan;
};
#define SHRINK_STOP (~0UL)
struct shrinker {
unsigned long (*count_objects)(struct shrinker *,
struct shrink_control *sc);
unsigned long (*scan_objects)(struct shrinker *,
struct shrink_control *sc);
int seeks; /* seeks to recreate an obj */
long batch; /* reclaim batch size, 0 = default */
struct list_head list;
};
int register_shrinker(struct shrinker *);
void unregister_shrinker(struct shrinker *);
void run_shrinkers(void);
#endif /* __TOOLS_LINUX_SHRINKER_H */