diff options
Diffstat (limited to 'include/linux/shrinker.h')
| -rw-r--r-- | include/linux/shrinker.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 76fbf92b04d9..2ced8149c513 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -73,6 +73,10 @@ struct shrinker { /* ID in shrinker_idr */ int id; #endif +#ifdef CONFIG_SHRINKER_DEBUG + int debugfs_id; + struct dentry *debugfs_entry; +#endif /* objs pending delete, per node */ atomic_long_t *nr_deferred; }; @@ -94,4 +98,17 @@ extern int register_shrinker(struct shrinker *shrinker); extern void unregister_shrinker(struct shrinker *shrinker); extern void free_prealloced_shrinker(struct shrinker *shrinker); extern void synchronize_shrinkers(void); -#endif + +#ifdef CONFIG_SHRINKER_DEBUG +extern int shrinker_debugfs_add(struct shrinker *shrinker); +extern void shrinker_debugfs_remove(struct shrinker *shrinker); +#else /* CONFIG_SHRINKER_DEBUG */ +static inline int shrinker_debugfs_add(struct shrinker *shrinker) +{ + return 0; +} +static inline void shrinker_debugfs_remove(struct shrinker *shrinker) +{ +} +#endif /* CONFIG_SHRINKER_DEBUG */ +#endif /* _LINUX_SHRINKER_H */ |