[PATCH 2/2] cgroup: remove useless argument from cgroup_exit()

Li Zefan
2014-03-28T07:24:34Z

Signed-off-by: Li Zefan <lizefan@huawei.com>
---
include/linux/cgroup.h | 4 ++--
kernel/cgroup.c | 5 ++---
kernel/exit.c | 2 +-
3 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index acbb9a4..13ffb06 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);

@@ -848,7 +848,7 @@ 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 a53dbc6..775a90d 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4324,7 +4324,6 @@ 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.
*
@@ -4341,7 +4340,7 @@ 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;
@@ -4363,7 +4362,7 @@ 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 c3af836..c2ae892 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);
--
1.8.0.2