diff --git a/init/Kconfig b/init/Kconfig
index ac1c864524ac8208394cce51e9321602957529ec..2c79f2e51fc4c1c43bb802288f3fd8a4190d67c7 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -823,6 +823,16 @@ config RT_GROUP_SCHED
 
 endif #CGROUP_SCHED
 
+config QOS_SCHED_DYNAMIC_AFFINITY
+	bool "qos dynamic affinity"
+	depends on CPUSETS
+	default n
+	help
+	 This feature lets you allocate preferred cpus to taskgroup. If enabled,
+	 it will make taskgroup only to use preferred cpus when cpu utilization
+	 of taskgroup is below threshold setted, otherwise make taskgroup to use
+	 cpus allowed.
+
 config CGROUP_PIDS
 	bool "PIDs controller"
 	help