NUMA related scheduler improvements
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2110021
Tested: Ran perf workload and scheduler stress tests on a 4-numa node system.
Series of updates to the scheduler code dealing with balancing tasks among NUMA nodes.
Signed-off-by: Phil Auld pauld@redhat.com
Edited by Phil Auld