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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 <zzhsuny@gmail.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1406942283-18249-1-git-send-email-zzhsuny@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Zhihui Zhang 2014-08-01 21:18:03 -04:00 committed by Ingo Molnar
parent 9a5d9ba6a3
commit aaecac4ad4
1 changed files with 6 additions and 7 deletions
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13
kernel/sched/core.c
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@ -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);