1 files changed, 5 insertions, 8 deletions

diff --git a/kernel/events/core.c b/kernel/events/core.c
index a8f4ac001a0..a5d1ee92b0d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6906,8 +6906,7 @@ unlock:
 device_initcall(perf_event_sysfs_init);
 
 #ifdef CONFIG_CGROUP_PERF
-static struct cgroup_subsys_state *perf_cgroup_create(
-        struct cgroup_subsys *ss, struct cgroup *cont)
+static struct cgroup_subsys_state *perf_cgroup_create(struct cgroup *cont)
 {
         struct perf_cgroup *jc;
 
@@ -6924,8 +6923,7 @@ static struct cgroup_subsys_state *perf_cgroup_create(
         return &jc->css;
 }
 
-static void perf_cgroup_destroy(struct cgroup_subsys *ss,
-                                struct cgroup *cont)
+static void perf_cgroup_destroy(struct cgroup *cont)
 {
         struct perf_cgroup *jc;
         jc = container_of(cgroup_subsys_state(cont, perf_subsys_id),
@@ -6941,8 +6939,7 @@ static int __perf_cgroup_move(void *info)
         return 0;
 }
 
-static void perf_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
-                               struct cgroup_taskset *tset)
+static void perf_cgroup_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
 {
         struct task_struct *task;
 
@@ -6950,8 +6947,8 @@ static void perf_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
                 task_function_call(task, __perf_cgroup_move, task);
 }
 
-static void perf_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
-                struct cgroup *old_cgrp, struct task_struct *task)
+static void perf_cgroup_exit(struct cgroup *cgrp, struct cgroup *old_cgrp,
+                             struct task_struct *task)
 {
         /*
          * cgroup_exit() is called in the copy_process() failure path.