linux-kernel - [PATCH 7/15] sched: Activate build of MN domains

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Message-ID: <20090820133828.GV29327@alberich.amd.com>
Date:	Thu, 20 Aug 2009 15:38:28 +0200
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>
CC:	linux-kernel@...r.kernel.org
Subject: [PATCH 7/15] sched: Activate build of MN domains


I.e. call __build_mn_sched_domain, build corresponding groups
and calculate power.

Note: still missing are changes in various places
to actually detect domain hierarchy and fixup some stuff.

Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>
---
 kernel/sched.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index cc16629..6cfc840 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8862,6 +8862,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
 
 		sd = __build_numa_sched_domains(&d, cpu_map, attr, i);
 		sd = __build_cpu_sched_domain(&d, cpu_map, attr, sd, i);
+		sd = __build_mn_sched_domain(&d, cpu_map, attr, sd, i);
 		sd = __build_mc_sched_domain(&d, cpu_map, attr, sd, i);
 		sd = __build_smt_sched_domain(&d, cpu_map, attr, sd, i);
 	}
@@ -8869,6 +8870,7 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
 	for_each_cpu(i, cpu_map) {
 		build_sched_groups(&d, SD_LV_SIBLING, cpu_map, i);
 		build_sched_groups(&d, SD_LV_MC, cpu_map, i);
+		build_sched_groups(&d, SD_LV_MN, cpu_map, i);
 	}
 
 	/* Set up physical groups */
@@ -8898,6 +8900,12 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
 		init_sched_groups_power(i, sd);
 	}
 #endif
+#ifdef CONFIG_SCHED_MN
+	for_each_cpu(i, cpu_map) {
+		sd = &per_cpu(cpu_node_domains, i).sd;
+		init_sched_groups_power(i, sd);
+	}
+#endif
 
 	for_each_cpu(i, cpu_map) {
 		sd = &per_cpu(phys_domains, i).sd;
-- 
1.6.0.4



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