1 files changed, 5 insertions, 0 deletions

diff --git a/kernel/pid.c b/kernel/pid.c
index 78c0dbffde65..bb0785109d39 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -70,6 +70,11 @@ struct pid_namespace init_pid_ns = {
         .child_reaper = &init_task
 };
 
+int is_global_init(struct task_struct *tsk)
+{
+        return tsk == init_pid_ns.child_reaper;
+}
+
 /*
  * Note: disable interrupts while the pidmap_lock is held as an
  * interrupt might come in and do read_lock(&tasklist_lock).