cgroup: remove useless argument from cgroup_exit()

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

3 files changed, 5 insertions, 6 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 43d1ed30bae3..c2515851c1aa 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -33,7 +33,7 @@ extern int cgroup_init_early(void);
 extern int cgroup_init(void);
 extern void cgroup_fork(struct task_struct *p);
 extern void cgroup_post_fork(struct task_struct *p);
-extern void cgroup_exit(struct task_struct *p, int run_callbacks);
+extern void cgroup_exit(struct task_struct *p);
 extern int cgroupstats_build(struct cgroupstats *stats,
                                 struct dentry *dentry);
 
@@ -843,7 +843,7 @@ static inline int cgroup_init_early(void) { return 0; }
 static inline int cgroup_init(void) { return 0; }
 static inline void cgroup_fork(struct task_struct *p) {}
 static inline void cgroup_post_fork(struct task_struct *p) {}
-static inline void cgroup_exit(struct task_struct *p, int callbacks) {}
+static inline void cgroup_exit(struct task_struct *p) {}
 
 static inline int cgroupstats_build(struct cgroupstats *stats,
                                         struct dentry *dentry)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 60fd6f1f6d4e..f7f94322d312 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4416,7 +4416,6 @@ void cgroup_post_fork(struct task_struct *child)
 /**
  * cgroup_exit - detach cgroup from exiting task
  * @tsk: pointer to task_struct of exiting process
- * @run_callback: run exit callbacks?
  *
  * Description: Detach cgroup from @tsk and release it.
  *
@@ -4433,7 +4432,7 @@ void cgroup_post_fork(struct task_struct *child)
  * init_css_set refcnting.  init_css_set never goes away and we can't race
  * with migration path - PF_EXITING is visible to migration path.
  */
-void cgroup_exit(struct task_struct *tsk, int run_callbacks)
+void cgroup_exit(struct task_struct *tsk)
 {
         struct cgroup_subsys *ss;
         struct css_set *cset;
@@ -4455,7 +4454,7 @@ void cgroup_exit(struct task_struct *tsk, int run_callbacks)
         cset = task_css_set(tsk);
         RCU_INIT_POINTER(tsk->cgroups, &init_css_set);
 
-        if (run_callbacks && need_forkexit_callback) {
+        if (need_forkexit_callback) {
                 /* see cgroup_post_fork() for details */
                 for_each_subsys(ss, i) {
                         if (ss->exit) {
diff --git a/kernel/exit.c b/kernel/exit.c
index 1e77fc645317..6480d1c85d7a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -797,7 +797,7 @@ void do_exit(long code)
          */
         perf_event_exit_task(tsk);
 
-        cgroup_exit(tsk, 1);
+        cgroup_exit(tsk);
 
         if (group_dead)
                 disassociate_ctty(1);