Messages in this thread Patch in this message | | | From | Gao feng <> | Subject | [PATCH] pidns: remove the useless function is_container_init | Date | Mon, 19 Nov 2012 18:44:42 +0800 |
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since commit 1cdcbec1a3372c0c49c59d292e708fd07b509f18, is_container_init has no used for a long time.
just remove it.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> --- include/linux/sched.h | 6 ------ kernel/pid.c | 15 --------------- 2 files changed, 0 insertions(+), 21 deletions(-)
diff --git a/include/linux/sched.h b/include/linux/sched.h index 0dd42a0..3fadd26 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1710,12 +1710,6 @@ static inline int is_global_init(struct task_struct *tsk) return tsk->pid == 1; } -/* - * is_container_init: - * check whether in the task is init in its own pid namespace. - */ -extern int is_container_init(struct task_struct *tsk); - extern struct pid *cad_pid; extern void free_task(struct task_struct *tsk); diff --git a/kernel/pid.c b/kernel/pid.c index aebd4f5..8ccdf0e 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -81,21 +81,6 @@ struct pid_namespace init_pid_ns = { }; EXPORT_SYMBOL_GPL(init_pid_ns); -int is_container_init(struct task_struct *tsk) -{ - int ret = 0; - struct pid *pid; - - rcu_read_lock(); - pid = task_pid(tsk); - if (pid != NULL && pid->numbers[pid->level].nr == 1) - ret = 1; - rcu_read_unlock(); - - return ret; -} -EXPORT_SYMBOL(is_container_init); - /* * Note: disable interrupts while the pidmap_lock is held as an * interrupt might come in and do read_lock(&tasklist_lock). -- 1.7.7.6
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