diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index e66963ca58bddaf02813c4e080f48ad4cf18be00..3ae32d1ddd27b182a1251116f8406a5b86a23b3e 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -4549,6 +4549,7 @@ static struct pernet_operations cma_pernet_operations = {
 	.exit = cma_exit_net,
 	.id = &cma_pernet_id,
 	.size = sizeof(struct cma_pernet),
+	.async = true,
 };
 
 static int __init cma_init(void)