1 files changed, 19 insertions, 0 deletions

diff --git a/kernel/pid.c b/kernel/pid.c
index b3e6d7c41b97..73a60e265f52 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -369,6 +369,25 @@ struct task_struct *find_task_by_pid_type_ns(int type, int nr,
 
 EXPORT_SYMBOL(find_task_by_pid_type_ns);
 
+struct task_struct *find_task_by_pid(pid_t nr)
+{
+        return find_task_by_pid_type_ns(PIDTYPE_PID, nr, &init_pid_ns);
+}
+EXPORT_SYMBOL(find_task_by_pid);
+
+struct task_struct *find_task_by_vpid(pid_t vnr)
+{
+        return find_task_by_pid_type_ns(PIDTYPE_PID, vnr,
+                        current->nsproxy->pid_ns);
+}
+EXPORT_SYMBOL(find_task_by_vpid);
+
+struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
+{
+        return find_task_by_pid_type_ns(PIDTYPE_PID, nr, ns);
+}
+EXPORT_SYMBOL(find_task_by_pid_ns);
+
 struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
 {
         struct pid *pid;