bcachefs-tools/include/linux/shrinker.h

33 lines
778 B
C

#ifndef __TOOLS_LINUX_SHRINKER_H
#define __TOOLS_LINUX_SHRINKER_H
#include <linux/list.h>
#include <linux/types.h>
struct shrink_control {
gfp_t gfp_mask;
unsigned long nr_to_scan;
};
#define SHRINK_STOP (~0UL)
struct printbuf;
struct shrinker {
unsigned long (*count_objects)(struct shrinker *,
struct shrink_control *sc);
unsigned long (*scan_objects)(struct shrinker *,
struct shrink_control *sc);
void (*to_text)(struct printbuf *, struct shrinker *);
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(gfp_t gfp_mask, bool);
#endif /* __TOOLS_LINUX_SHRINKER_H */