Re: [PATCH v4 01/48] mm: move some shrinker-related function declarations to mm/internal.h

[Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx>]

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