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-rw-r--r--kernel/sched/topology.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 6682535e37c8..ca4472281c28 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -719,8 +719,13 @@ cpu_attach_domain(struct sched_domain *sd, struct root_domain *rd, int cpu)
if (sd_parent_degenerate(tmp, parent)) {
tmp->parent = parent->parent;
- if (parent->parent)
+
+ if (parent->parent) {
parent->parent->child = tmp;
+ if (tmp->flags & SD_SHARE_CPUCAPACITY)
+ parent->parent->groups->flags |= SD_SHARE_CPUCAPACITY;
+ }
+
/*
* Transfer SD_PREFER_SIBLING down in case of a
* degenerate parent; the spans match for this