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-rw-r--r--kernel/pid.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/pid.c b/kernel/pid.c
index af9224cdd6c0..1b3586fe753a 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -474,6 +474,12 @@ pid_t task_session_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
}
EXPORT_SYMBOL(task_session_nr_ns);
+struct pid_namespace *task_active_pid_ns(struct task_struct *tsk)
+{
+ return ns_of_pid(task_pid(tsk));
+}
+EXPORT_SYMBOL_GPL(task_active_pid_ns);
+
/*
* Used by proc to find the first pid that is greater than or equal to nr.
*