1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index c688d4cc2e40..4059c0f33f07 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -877,6 +877,8 @@ struct sched_group_power {
          * Number of busy cpus in this group.
          */
         atomic_t nr_busy_cpus;
+
+        unsigned long cpumask[0]; /* iteration mask */
 };
 
 struct sched_group {
@@ -901,6 +903,15 @@ static inline struct cpumask *sched_group_cpus(struct sched_group *sg)
         return to_cpumask(sg->cpumask);
 }
 
+/*
+ * cpumask masking which cpus in the group are allowed to iterate up the domain
+ * tree.
+ */
+static inline struct cpumask *sched_group_mask(struct sched_group *sg)
+{
+        return to_cpumask(sg->sgp->cpumask);
+}
+
 /**
  * group_first_cpu - Returns the first cpu in the cpumask of a sched_group.
  * @group: The group whose first cpu is to be returned.