Need to free the old cpumask for affinity and pending_mask.
Signed-off-by: NYinghai Lu <yinghai@kernel.org>
Acked-by: NRusty Russell <rusty@rustcorp.com.au>
LKML-Reference: <49D18FF0.50707@kernel.org>
Signed-off-by: NIngo Molnar <mingo@elte.hu>