cgroup: remove cgrp->top_cgroup
It's not used, and it can be retrieved via cgrp->root->top_cgroup. Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
parent
873fe09ea5
commit
05fb22ec54
|
@ -204,7 +204,6 @@ struct cgroup {
|
||||||
struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
|
struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
|
||||||
|
|
||||||
struct cgroupfs_root *root;
|
struct cgroupfs_root *root;
|
||||||
struct cgroup *top_cgroup;
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* List of cg_cgroup_links pointing at css_sets with
|
* List of cg_cgroup_links pointing at css_sets with
|
||||||
|
|
|
@ -1418,7 +1418,6 @@ static void init_cgroup_root(struct cgroupfs_root *root)
|
||||||
root->number_of_cgroups = 1;
|
root->number_of_cgroups = 1;
|
||||||
cgrp->root = root;
|
cgrp->root = root;
|
||||||
cgrp->name = &root_cgroup_name;
|
cgrp->name = &root_cgroup_name;
|
||||||
cgrp->top_cgroup = cgrp;
|
|
||||||
init_cgroup_housekeeping(cgrp);
|
init_cgroup_housekeeping(cgrp);
|
||||||
list_add_tail(&cgrp->allcg_node, &root->allcg_list);
|
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->parent = parent;
|
||||||
cgrp->root = parent->root;
|
cgrp->root = parent->root;
|
||||||
cgrp->top_cgroup = parent->top_cgroup;
|
|
||||||
|
|
||||||
if (notify_on_release(parent))
|
if (notify_on_release(parent))
|
||||||
set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);
|
set_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);
|
||||||
|
|
Loading…
Reference in New Issue