linux-kernel - [tip:sched/core] sched: Create for_each_sd

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Date:	Wed, 19 Jun 2013 11:40:45 -0700
From:	tip-bot for Viresh Kumar <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	peterz@...radead.org, viresh.kumar@...aro.org, tglx@...utronix.de
Subject: [tip:sched/core] sched: Create for_each_sd_topology()

Commit-ID:  27723a68caf05381b0b0bc6e127da2c9e7bcb775
Gitweb:     http://git.kernel.org/tip/27723a68caf05381b0b0bc6e127da2c9e7bcb775
Author:     Viresh Kumar <viresh.kumar@...aro.org>
AuthorDate: Mon, 10 Jun 2013 16:27:20 +0530
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 19 Jun 2013 12:58:45 +0200

sched: Create for_each_sd_topology()

For loop for traversing sched_domain_topology was used at multiple placed in
core.c. This patch removes code redundancy by creating for_each_sd_topology().

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/e0e04542f54e9464bd9da54f5ccfe62ec6c4c0bc.1370861520.git.viresh.kumar@linaro.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/core.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 88c2c0e..547b7d3 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5565,6 +5565,9 @@ static struct sched_domain_topology_level default_topology[] = {
 
 static struct sched_domain_topology_level *sched_domain_topology = default_topology;
 
+#define for_each_sd_topology(tl)			\
+	for (tl = sched_domain_topology; tl->init; tl++)
+
 #ifdef CONFIG_NUMA
 
 static int sched_domains_numa_levels;
@@ -5862,7 +5865,7 @@ static int __sdt_alloc(const struct cpumask *cpu_map)
 	struct sched_domain_topology_level *tl;
 	int j;
 
-	for (tl = sched_domain_topology; tl->init; tl++) {
+	for_each_sd_topology(tl) {
 		struct sd_data *sdd = &tl->data;
 
 		sdd->sd = alloc_percpu(struct sched_domain *);
@@ -5915,7 +5918,7 @@ static void __sdt_free(const struct cpumask *cpu_map)
 	struct sched_domain_topology_level *tl;
 	int j;
 
-	for (tl = sched_domain_topology; tl->init; tl++) {
+	for_each_sd_topology(tl) {
 		struct sd_data *sdd = &tl->data;
 
 		for_each_cpu(j, cpu_map) {
@@ -5983,7 +5986,7 @@ static int build_sched_domains(const struct cpumask *cpu_map,
 		struct sched_domain_topology_level *tl;
 
 		sd = NULL;
-		for (tl = sched_domain_topology; tl->init; tl++) {
+		for_each_sd_topology(tl) {
 			sd = build_sched_domain(tl, cpu_map, attr, sd, i);
 			if (tl == sched_domain_topology)
 				*per_cpu_ptr(d.sd, i) = sd;
--
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