The kswapd* kernel tasks are per NUMA node and have floating
cpu affinity masks spanning those nodes.
On AIO low-latency systems, this affines the kswapd* kernel tasks to
platform cores. This is a performance improvement for low-latency
sensitive applications.
Partial-Bug: 1900174
Change-Id: I20db19978362997b23a69bf591b8e7c23096f492
Signed-off-by: Jim Gauld <james.gauld@windriver.com>