padata: Pass the padata cpumasks to the cpumask_change_notifier chain

We pass a pointer to the new padata cpumasks to the cpumask_change_notifier
chain. So users can access the cpumasks without the need of an extra
padata_get_cpumask function.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

kernel/padata.c

@@ -538,7 +538,8 @@ static void padata_replace(struct padata_instance *pinst,
 
 	if (notification_mask)
 		blocking_notifier_call_chain(&pinst->cpumask_change_notifier,
-					     notification_mask, pinst);
+					     notification_mask,
+					     &pd_new->cpumask);
 
 	pinst->flags &= ~PADATA_RESET;
 }