[tip:sched/core] sched: Create for_each_sd_topology()

From: tip-bot for Viresh Kumar
Date: Wed Jun 19 2013 - 14:41:27 EST


Commit-ID: 27723a68caf05381b0b0bc6e127da2c9e7bcb775
Gitweb: http://git.kernel.org/tip/27723a68caf05381b0b0bc6e127da2c9e7bcb775
Author: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
AuthorDate: Mon, 10 Jun 2013 16:27:20 +0530
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/e0e04542f54e9464bd9da54f5ccfe62ec6c4c0bc.1370861520.git.viresh.kumar@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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