[RFC][PATCH 05/14] sched: Clean up some ALLNODES code

[Peter Zijlstra]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
LKML-Reference: <new-submission>
---
 kernel/sched.c |   11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

Index: linux-2.6/kernel/sched.c
===================================================================
--- linux-2.6.orig/kernel/sched.c
+++ linux-2.6/kernel/sched.c
@@ -7256,7 +7256,9 @@ static void build_sched_groups(struct s_
 						d->send_covered, d->tmpmask);
 
 	case SD_LV_ALLNODES:
-		init_sched_build_groups(cpu_map, cpu_map, &cpu_to_allnodes_group,
+		if (cpu == cpumask_first(cpu_map))
+			init_sched_build_groups(cpu_map, cpu_map,
+					&cpu_to_allnodes_group,
 					d->send_covered, d->tmpmask);
 		break;
 #endif
@@ -7307,14 +7309,9 @@ static int __build_sched_domains(const s
 		build_sched_groups(&d, SD_LV_MC, cpu_map, i);
 		build_sched_groups(&d, SD_LV_CPU, cpu_map, i);
 		build_sched_groups(&d, SD_LV_NODE, cpu_map, i);
+		build_sched_groups(&d, SD_LV_ALLNODES, cpu_map, i);
 	}
 
-#ifdef CONFIG_NUMA
-	/* Set up node groups */
-	if (d.sd_allnodes)
-		build_sched_groups(&d, SD_LV_ALLNODES, cpu_map, 0);
-#endif
-
 	/* Calculate CPU power for physical packages and nodes */
 #ifdef CONFIG_SCHED_SMT
 	for_each_cpu(i, cpu_map) {


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