diff options
| author | Gao feng <gaofeng@cn.fujitsu.com> | 2012-12-18 04:03:22 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-18 05:15:23 +0400 |
| commit | a5ba911ec3792168530d35e16a8ec3b6fc60bcb5 (patch) | |
| tree | 1dbffcb920aabeb12dc166aa11299bbddba8a245 | |
| parent | d740269867021faf4ce38a449353d2b986c34a67 (diff) | |
| download | linux-a5ba911ec3792168530d35e16a8ec3b6fc60bcb5.tar.xz | |
pidns: remove unused is_container_init()
Since commit 1cdcbec1a337 ("CRED: Neuter sys_capset()")
is_container_init() has no callers.
Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Cc: David Howells <dhowells@redhat.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Cc: James Morris <jmorris@namei.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/sched.h | 6 | ||||
| -rw-r--r-- | kernel/pid.c | 15 |
2 files changed, 0 insertions, 21 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index b089c92c609b..9914c662ed7b 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1778,12 +1778,6 @@ 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 fd996c1ed9f8..a54a1123c7cf 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). |