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Commit f3ba5380 authored by Tejun Heo's avatar Tejun Heo
Browse files

cgroup: add dummy css_put() for !CONFIG_CGROUPS 



This will later be depended upon by the scheduled cgroup writeback
support.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 24dab7a7

include/linux/cgroup.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry, 




#else /* !CONFIG_CGROUPS */

#else /* !CONFIG_CGROUPS */





struct cgroup_subsys_state;



static inline int cgroup_init_early(void) { return 0; }

static inline int cgroup_init_early(void) { return 0; }

static inline int cgroup_init(void) { return 0; }

static inline int cgroup_init(void) { return 0; }

static inline void cgroup_fork(struct task_struct *p) {}

static inline void cgroup_fork(struct task_struct *p) {}
@@ -955,6 +957,8 @@ static inline int cgroupstats_build(struct cgroupstats *stats, 
	return -EINVAL;

	return -EINVAL;

}

}





static inline void css_put(struct cgroup_subsys_state *css) {}



/* No cgroups - nothing to do */

/* No cgroups - nothing to do */

static inline int cgroup_attach_task_all(struct task_struct *from,

static inline int cgroup_attach_task_all(struct task_struct *from,

					 struct task_struct *t)

					 struct task_struct *t)