sched: Separate out build of CPU sched groups from __build_sched_domains

... to further strip down __build_sched_domains().

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20090818105928.GJ29515@alberich.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/sched.c b/kernel/sched.c
index f2c202f..b09a41c 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8586,6 +8586,13 @@ static void build_sched_groups(struct s_data *d, enum sched_domain_level l,
                                                d->send_covered, d->tmpmask);
                break;
 #endif
+       case SD_LV_CPU: /* set up physical groups */
+               cpumask_and(d->nodemask, cpumask_of_node(cpu), cpu_map);
+               if (!cpumask_empty(d->nodemask))
+                       init_sched_build_groups(d->nodemask, cpu_map,
+                                               &cpu_to_phys_group,
+                                               d->send_covered, d->tmpmask);
+               break;
        default:
                break;
        }
@@ -8631,15 +8638,8 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
        }
 
        /* Set up physical groups */
-       for (i = 0; i < nr_node_ids; i++) {
-               cpumask_and(d.nodemask, cpumask_of_node(i), cpu_map);
-               if (cpumask_empty(d.nodemask))
-                       continue;
-
-               init_sched_build_groups(d.nodemask, cpu_map,
-                                       &cpu_to_phys_group,
-                                       d.send_covered, d.tmpmask);
-       }
+       for (i = 0; i < nr_node_ids; i++)
+               build_sched_groups(&d, SD_LV_CPU, cpu_map, i);
 
 #ifdef CONFIG_NUMA
        /* Set up node groups */