[PATCH 2/2 cgroup/for-3.20] cgroup: add dummy css_put() for !CONFIG_CGROUPS
From: Tejun Heo <tj@kernel.org>
Date: 2015-01-06 16:58:21
Also in:
lkml
This will later be depended upon by the scheduled cgroup writeback support. Signed-off-by: Tejun Heo <tj@kernel.org> --- include/linux/cgroup.h | 4 ++++ 1 file changed, 4 insertions(+)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h@@ -943,6 +943,8 @@ struct cgroup_subsys_state *css_tryget_o #else /* !CONFIG_CGROUPS */ +struct cgroup_subsys_state; + static inline int cgroup_init_early(void) { return 0; } static inline int cgroup_init(void) { return 0; } static inline void cgroup_fork(struct task_struct *p) {}
@@ -955,6 +957,8 @@ static inline int cgroupstats_build(stru return -EINVAL; } +static inline void css_put(struct cgroup_subsys_state *css) {} + /* No cgroups - nothing to do */ static inline int cgroup_attach_task_all(struct task_struct *from, struct task_struct *t)