From: Viresh Kumar Date: Mon, 10 Jun 2013 10:57:19 +0000 (+0530) Subject: sched: Don't set sd->child to NULL when it is already NULL X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c75e01288ce9c9a6b7beb6b23c07d2e4d1db8c84;p=linux-beck.git 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 Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/f4753a1730051341003ad2ad29a3229c7356678e.1370861520.git.viresh.kumar@linaro.org Signed-off-by: Ingo Molnar --- 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;