1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 28319a9fe569..402ce477c47e 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -37,6 +37,7 @@ extern void cgroup_post_fork(struct task_struct *p);
 extern void cgroup_exit(struct task_struct *p, int run_callbacks);
 extern int cgroupstats_build(struct cgroupstats *stats,
                                 struct dentry *dentry);
+extern int cgroup_load_subsys(struct cgroup_subsys *ss);
 
 extern const struct file_operations proc_cgroup_operations;
 
@@ -486,6 +487,9 @@ struct cgroup_subsys {
         /* used when use_id == true */
         struct idr idr;
         spinlock_t id_lock;
+
+        /* should be defined only by modular subsystems */
+        struct module *module;
 };
 
 #define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys;