Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
---
include/linux/cgroup.h | 1 -
kernel/cgroup.c | 12 ------------
2 files changed, 13 deletions(-)
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index d0ad379..5830592 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -848,7 +848,6 @@ bool css_is_ancestor(struct cgroup_subsys_state *cg,
/* Get id and depth of css */
unsigned short css_id(struct cgroup_subsys_state *css);
-unsigned short css_depth(struct cgroup_subsys_state *css);
struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id);
#else /* !CONFIG_CGROUPS */
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 3ad2a9c..dc8997a 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -5230,18 +5230,6 @@ unsigned short css_id(struct cgroup_subsys_state *css)
}
EXPORT_SYMBOL_GPL(css_id);
-unsigned short css_depth(struct cgroup_subsys_state *css)
-{
- struct css_id *cssid;
-
- cssid = rcu_dereference_check(css->id, css_refcnt(css));
-
- if (cssid)
- return cssid->depth;
- return 0;
-}
-EXPORT_SYMBOL_GPL(css_depth);
-
/**
* css_is_ancestor - test "root" css is an ancestor of "child"
* @child: the css to be tested.
--
1.8.2.1
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