diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index 977d9c8..7de09fd 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -234,7 +234,7 @@ void mptcp_pm_close(struct mptcp_sock *msk)
 		sock_put((struct sock *)msk);
 }
 
-void mptcp_pm_init(void)
+void __init mptcp_pm_init(void)
 {
 	pm_wq = alloc_workqueue("pm_wq", WQ_UNBOUND | WQ_MEM_RECLAIM, 8);
 	if (!pm_wq)