The patch titled
Subject: pidns: remove unused is_container_init()
has been added to the -mm tree. Its filename is
pidns-remove-unused-is_container_init.patch
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------------------------------------------------------
From: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Subject: pidns: remove unused is_container_init()
since commit 1cdcbec1a3 ("CRED: Neuter sys_capset()") is_container_init()
has no callers.
Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
Cc: James Morris <jmorris@xxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/sched.h | 6 ------
kernel/pid.c | 15 ---------------
2 files changed, 21 deletions(-)
diff -puN include/linux/sched.h~pidns-remove-unused-is_container_init include/linux/sched.h
--- a/include/linux/sched.h~pidns-remove-unused-is_container_init
+++ a/include/linux/sched.h
@@ -1769,12 +1769,6 @@ static inline int is_global_init(struct
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 -puN kernel/pid.c~pidns-remove-unused-is_container_init kernel/pid.c
--- a/kernel/pid.c~pidns-remove-unused-is_container_init
+++ a/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).
_
Patches currently in -mm which might be from gaofeng@xxxxxxxxxxxxxx are
pidns-remove-unused-is_container_init.patch
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