[PATCH] cgroup: Remove unused css_put_many().

[Julian Sun <sunjunchao2870@gmail.com>]

Remove css_put_many() as it's never called by any function.

Signed-off-by: Julian Sun <sunjunchao@bytedance.com>
---
 include/linux/cgroup.h        |  1 -
 include/linux/cgroup_refcnt.h | 15 ---------------
 2 files changed, 16 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b18fb5fcb38e..2e232eb8c897 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -322,7 +322,6 @@ void css_get_many(struct cgroup_subsys_state *css, unsigned int n);
 bool css_tryget(struct cgroup_subsys_state *css);
 bool css_tryget_online(struct cgroup_subsys_state *css);
 void css_put(struct cgroup_subsys_state *css);
-void css_put_many(struct cgroup_subsys_state *css, unsigned int n);
 #else
 #define CGROUP_REF_FN_ATTRS	static inline
 #define CGROUP_REF_EXPORT(fn)
diff --git a/include/linux/cgroup_refcnt.h b/include/linux/cgroup_refcnt.h
index 2eea0a69ecfc..1cede70a928c 100644
--- a/include/linux/cgroup_refcnt.h
+++ b/include/linux/cgroup_refcnt.h
@@ -79,18 +79,3 @@ void css_put(struct cgroup_subsys_state *css)
 		percpu_ref_put(&css->refcnt);
 }
 CGROUP_REF_EXPORT(css_put)
-
-/**
- * css_put_many - put css references
- * @css: target css
- * @n: number of references to put
- *
- * Put references obtained via css_get() and css_tryget_online().
- */
-CGROUP_REF_FN_ATTRS
-void css_put_many(struct cgroup_subsys_state *css, unsigned int n)
-{
-	if (!(css->flags & CSS_NO_REF))
-		percpu_ref_put_many(&css->refcnt, n);
-}
-CGROUP_REF_EXPORT(css_put_many)
-- 
2.20.1