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authorViresh Kumar <viresh.kumar@linaro.org>2013-06-10 16:27:19 +0530
committerIngo Molnar <mingo@kernel.org>2013-06-19 12:58:45 +0200
commitc75e01288ce9c9a6b7beb6b23c07d2e4d1db8c84 (patch)
tree4acc43a8f955e767d5eb807473898ca81e2211fb /kernel/sched
parent1c6321694074163b5863c13d71c19ca953a3fb08 (diff)
sched: Don't set sd->child to NULL when it is already NULL
Memory for sd is allocated with kzalloc_node() which will initialize its fields with zero. In build_sched_domain() we are setting sd->child to child even if child is NULL, which isn't required. Lets do it only if child isn't NULL. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/f4753a1730051341003ad2ad29a3229c7356678e.1370861520.git.viresh.kumar@linaro.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3de62649869b..88c2c0ee5a52 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5955,8 +5955,8 @@ struct sched_domain *build_sched_domain(struct sched_domain_topology_level *tl,
sd->level = child->level + 1;
sched_domain_level_max = max(sched_domain_level_max, sd->level);
child->parent = sd;
+ sd->child = child;
}
- sd->child = child;
set_domain_attribute(sd, attr);
return sd;