linux-kernel - [PATCH 5/15] sched: Add function to build MN sched domain

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Date:	Thu, 20 Aug 2009 15:36:43 +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 5/15] sched: Add function to build MN sched domain


Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>
---
 kernel/sched.c |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index d85985d..7b8b2ab 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8569,6 +8569,9 @@ SD_INIT_FUNC(CPU)
 #ifdef CONFIG_SCHED_MC
  SD_INIT_FUNC(MC)
 #endif
+#ifdef CONFIG_SCHED_MN
+ SD_INIT_FUNC(MN)
+#endif
 
 static int default_relax_domain_level = -1;
 
@@ -8727,6 +8730,24 @@ static struct sched_domain *__build_cpu_sched_domain(struct s_data *d,
 	return sd;
 }
 
+static struct sched_domain *__build_mn_sched_domain(struct s_data *d,
+	const struct cpumask *cpu_map, struct sched_domain_attr *attr,
+	struct sched_domain *parent, int i)
+{
+	struct sched_domain *sd = parent;
+#ifdef CONFIG_SCHED_MN
+	sd = &per_cpu(cpu_node_domains, i).sd;
+	SD_INIT(sd, MN);
+	set_domain_attribute(sd, attr);
+	cpumask_and(sched_domain_span(sd), cpu_map,
+		    topology_cpu_node_cpumask(i));
+	sd->parent = parent;
+	parent->child = sd;
+	cpu_to_cpu_node_group(i, cpu_map, &sd->groups, d->tmpmask);
+#endif
+	return sd;
+}
+
 static struct sched_domain *__build_mc_sched_domain(struct s_data *d,
 	const struct cpumask *cpu_map, struct sched_domain_attr *attr,
 	struct sched_domain *parent, int i)
-- 
1.6.0.4



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