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Commit 3fc3db9a authored by Tejun Heo's avatar Tejun Heo
Browse files

cgroup: remove now unused css_depth() 



Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Acked-by: default avatarLi Zefan <lizefan@huawei.com>
parent d5c56ced

include/linux/cgroup.h

+0 −1
Original line number Diff line number Diff line
@@ -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 */

kernel/cgroup.c

+0 −12
Original line number Diff line number Diff line
@@ -5227,18 +5227,6 @@ 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.