diff --git a/kernel/padata.c b/kernel/padata.c
index 11c5f9c8779ea1af6782e6f5b7e3ae83a6ceed71..cfab62923c452f750e68a21b286592093f5591ef 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -510,6 +510,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst,
 	atomic_set(&pd->seq_nr, -1);
 	atomic_set(&pd->reorder_objects, 0);
 	atomic_set(&pd->refcnt, 1);
+	pd->pinst = pinst;
 	spin_lock_init(&pd->lock);
 
 	return pd;