diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C
index e4f8b1b75584..d4e19c087c21 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C
@@ -1,6 +1,6 @@
 CONFIG_RCU_TRACE=n
 CONFIG_SMP=y
-CONFIG_NR_CPUS=8
+CONFIG_NR_CPUS=3
 CONFIG_HOTPLUG_CPU=y
 CONFIG_RCU_EXPERT=y
 CONFIG_CLASSIC_SRCU=y