| Date | Wed, 31 Jul 2013 10:07:27 +0100 | From | Mel Gorman <> | Subject | Re: [PATCH 08/18] sched: Reschedule task on preferred NUMA node once selected |
| |
On Wed, Jul 17, 2013 at 09:31:05AM +0800, Hillf Danton wrote: > On Mon, Jul 15, 2013 at 11:20 PM, Mel Gorman <mgorman@suse.de> wrote: > > +static int > > +find_idlest_cpu_node(int this_cpu, int nid) > > +{ > > + unsigned long load, min_load = ULONG_MAX; > > + int i, idlest_cpu = this_cpu; > > + > > + BUG_ON(cpu_to_node(this_cpu) == nid); > > + > > + rcu_read_lock(); > > + for_each_cpu(i, cpumask_of_node(nid)) { > > Check allowed CPUs first if task is given? >
If the task is not allowed to run on the CPUs for that node then how were the NUMA hinting faults recorded?
-- Mel Gorman SUSE Labs
|