Without it, I get compile errors due to missing TASK_NORMAL,
TASK_UNINTERRUPTIBLE and schedule.
Signed-off-by: NFelix Fietkau <nbd@openwrt.org>
Acked-by: NDan Williams <dcbw@redhat.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>