1 files changed, 3 insertions, 1 deletions

diff --git a/litmus/sched_pfp.c b/litmus/sched_pfp.c
index 42d17b0c08fd..3f1fb03f0c35 100644
--- a/litmus/sched_pfp.c
+++ b/litmus/sched_pfp.c
@@ -1621,9 +1621,11 @@ static long pfp_admit_task(struct task_struct* tsk)
 
 static long pfp_activate_plugin(void)
 {
-#ifdef CONFIG_RELEASE_MASTER
+#if defined(CONFIG_RELEASE_MASTER) || defined(CONFIG_LITMUS_LOCKING)
         int cpu;
+#endif
 
+#ifdef CONFIG_RELEASE_MASTER
         for_each_online_cpu(cpu) {
                 remote_dom(cpu)->release_master = atomic_read(&release_master_cpu);
         }