workqueue: Remove the cacheline_aligned for nr_running

nr_running is never modified remotely after the schedule callback in
wakeup path is removed.

Rather nr_running is often accessed with other fields in the pool
together, so the cacheline_aligned for nr_running isn't needed.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
1 file changed