Commit-ID:  aaecac4ad46b35ad308245384d019633fb9bc21b
Gitweb:     http://git.kernel.org/tip/aaecac4ad46b35ad308245384d019633fb9bc21b
Author:     Zhihui Zhang <zzhs...@gmail.com>
AuthorDate: Fri, 1 Aug 2014 21:18:03 -0400
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Tue, 12 Aug 2014 12:48:21 +0200

sched: Rename a misleading variable in build_overlap_sched_groups()

The child variable in build_overlap_sched_groups() actually refers to the
peer or sibling domain of the given CPU. Rename it to sibling to be consistent
with the naming in build_group_mask().

Signed-off-by: Zhihui Zhang <zzhs...@gmail.com>
Signed-off-by: Peter Zijlstra <pet...@infradead.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Link: 
http://lkml.kernel.org/r/1406942283-18249-1-git-send-email-zzhs...@gmail.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 kernel/sched/core.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1211575..7d1ec6e 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5739,7 +5739,7 @@ build_overlap_sched_groups(struct sched_domain *sd, int 
cpu)
        const struct cpumask *span = sched_domain_span(sd);
        struct cpumask *covered = sched_domains_tmpmask;
        struct sd_data *sdd = sd->private;
-       struct sched_domain *child;
+       struct sched_domain *sibling;
        int i;
 
        cpumask_clear(covered);
@@ -5750,10 +5750,10 @@ build_overlap_sched_groups(struct sched_domain *sd, int 
cpu)
                if (cpumask_test_cpu(i, covered))
                        continue;
 
-               child = *per_cpu_ptr(sdd->sd, i);
+               sibling = *per_cpu_ptr(sdd->sd, i);
 
                /* See the comment near build_group_mask(). */
-               if (!cpumask_test_cpu(i, sched_domain_span(child)))
+               if (!cpumask_test_cpu(i, sched_domain_span(sibling)))
                        continue;
 
                sg = kzalloc_node(sizeof(struct sched_group) + cpumask_size(),
@@ -5763,10 +5763,9 @@ build_overlap_sched_groups(struct sched_domain *sd, int 
cpu)
                        goto fail;
 
                sg_span = sched_group_cpus(sg);
-               if (child->child) {
-                       child = child->child;
-                       cpumask_copy(sg_span, sched_domain_span(child));
-               } else
+               if (sibling->child)
+                       cpumask_copy(sg_span, 
sched_domain_span(sibling->child));
+               else
                        cpumask_set_cpu(i, sg_span);
 
                cpumask_or(covered, covered, sg_span);
--
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