cgroup: remove cgroup_subsys->populate()

With memcg converted, cgroup_subsys->populate() doesn't have any user
left.  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 565c8034e6c8..d3f5fba2c159 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -472,7 +472,6 @@ struct cgroup_subsys {
         void (*fork)(struct task_struct *task);
         void (*exit)(struct cgroup *cgrp, struct cgroup *old_cgrp,
                      struct task_struct *task);
-        int (*populate)(struct cgroup_subsys *ss, struct cgroup *cgrp);
         void (*post_clone)(struct cgroup *cgrp);
         void (*bind)(struct cgroup *root);