cgroup: add dummy css_put() for !CONFIG_CGROUPS
This will later be depended upon by the scheduled cgroup writeback support. Signed-off-by: Tejun Heo <tj@kernel.org>hifive-unleashed-5.1
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24dab7a7b3
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f3ba53802e
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@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry,
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#else /* !CONFIG_CGROUPS */
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#else /* !CONFIG_CGROUPS */
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struct cgroup_subsys_state;
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static inline int cgroup_init_early(void) { return 0; }
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static inline int cgroup_init_early(void) { return 0; }
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static inline int cgroup_init(void) { return 0; }
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static inline int cgroup_init(void) { return 0; }
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static inline void cgroup_fork(struct task_struct *p) {}
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static inline void cgroup_fork(struct task_struct *p) {}
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@ -955,6 +957,8 @@ static inline int cgroupstats_build(struct cgroupstats *stats,
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return -EINVAL;
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return -EINVAL;
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}
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}
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static inline void css_put(struct cgroup_subsys_state *css) {}
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/* No cgroups - nothing to do */
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/* No cgroups - nothing to do */
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static inline int cgroup_attach_task_all(struct task_struct *from,
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static inline int cgroup_attach_task_all(struct task_struct *from,
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struct task_struct *t)
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struct task_struct *t)
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