Displaying 1 result from an estimated 1 matches for "balance_step".
2013 Sep 17
1
[PATCH v2] xen: sched_credit: filter node-affinity mask against online cpus
...sched_balance_cpumask() )
and online mask (as retrieved by cpupool_scheduler_cpumask() )
having an empty intersection.
Therefore, when attempting a node-affinity load balancing step
and running this:
...
/* Pick an online CPU from the proper affinity mask */
csched_balance_cpumask(vc, balance_step, &cpus);
cpumask_and(&cpus, &cpus, online);
...
we end up with an empty cpumask (in cpus). At this point, in
the following code:
....
/* If present, prefer vc''s current processor */
cpu = cpumask_test_cpu(vc->processor, &cpus)
? vc->p...