pidns: remove now unused kill_proc function
This function operated on a pid_t to kill a task, which is no longer valid
in a containerized system.
It has finally lost all its users and we can safely remove it from the
tree.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
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>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0560999..134cb5c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1800,7 +1800,6 @@
extern void force_sig_specific(int, struct task_struct *);
extern int send_sig(int, struct task_struct *, int);
extern void zap_other_threads(struct task_struct *p);
-extern int kill_proc(pid_t, int, int);
extern struct sigqueue *sigqueue_alloc(void);
extern void sigqueue_free(struct sigqueue *);
extern int send_sigqueue(struct sigqueue *, struct task_struct *, int group);
diff --git a/kernel/signal.c b/kernel/signal.c
index 5c7b7ea..82c3545 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1228,17 +1228,6 @@
}
EXPORT_SYMBOL(kill_pid);
-int
-kill_proc(pid_t pid, int sig, int priv)
-{
- int ret;
-
- rcu_read_lock();
- ret = kill_pid_info(sig, __si_special(priv), find_pid(pid));
- rcu_read_unlock();
- return ret;
-}
-
/*
* These functions support sending signals using preallocated sigqueue
* structures. This is needed "because realtime applications cannot
@@ -1906,7 +1895,6 @@
EXPORT_SYMBOL_GPL(dequeue_signal);
EXPORT_SYMBOL(flush_signals);
EXPORT_SYMBOL(force_sig);
-EXPORT_SYMBOL(kill_proc);
EXPORT_SYMBOL(ptrace_notify);
EXPORT_SYMBOL(send_sig);
EXPORT_SYMBOL(send_sig_info);