On 2023/8/15 16:36, Muchun Song wrote:
On Aug 7, 2023, at 19:08, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote:
The following functions are only used inside the mm subsystem, so it's
better to move their declarations to the mm/internal.h file.
1. shrinker_debugfs_add()
2. shrinker_debugfs_detach()
3. shrinker_debugfs_remove()
Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
One nit bellow.
[...]
+
+/*
+ * shrinker related functions
+ */
This is a multi-comment format. "/* shrinker related functions. */" is
the right one-line format of comment.
Will do.
Thanks,
Qi
+
+#ifdef CONFIG_SHRINKER_DEBUG
+extern int shrinker_debugfs_add(struct shrinker *shrinker);
+extern struct dentry *shrinker_debugfs_detach(struct shrinker *shrinker,
+ int *debugfs_id);
+extern void shrinker_debugfs_remove(struct dentry *debugfs_entry,
+ int debugfs_id);
+#else /* CONFIG_SHRINKER_DEBUG */
+static inline int shrinker_debugfs_add(struct shrinker *shrinker)
+{
+ return 0;
+}
+static inline struct dentry *shrinker_debugfs_detach(struct shrinker *shrinker,
+ int *debugfs_id)
+{
+ *debugfs_id = -1;
+ return NULL;
+}
+static inline void shrinker_debugfs_remove(struct dentry *debugfs_entry,
+ int debugfs_id)
+{
+}
+#endif /* CONFIG_SHRINKER_DEBUG */
+
#endif /* __MM_INTERNAL_H */
--
2.30.2
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