2 files changed, 0 insertions, 3 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 9c300ad9a911..64047ae7fde1 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -204,7 +204,6 @@ struct cgroup {
         struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
 
         struct cgroupfs_root *root;
-        struct cgroup *top_cgroup;
 
         /*
          * List of cg_cgroup_links pointing at css_sets with
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 67804590d4b0..c16719e056ab 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1418,7 +1418,6 @@ static void init_cgroup_root(struct cgroupfs_root *root)
         root->number_of_cgroups = 1;
         cgrp->root = root;
         cgrp->name = &root_cgroup_name;
-        cgrp->top_cgroup = cgrp;
         init_cgroup_housekeeping(cgrp);
         list_add_tail(&cgrp->allcg_node, &root->allcg_list);
 }
@@ -4145,7 +4144,6 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry,
 
         cgrp->parent = parent;
         cgrp->root = parent->root;
-        cgrp->top_cgroup = parent->top_cgroup;
 
         if (notify_on_release(parent))
                 set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);