diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c
index 7a47343d11f9f..b052de1b9ccb9 100644
--- a/drivers/infiniband/core/umem_odp.c
+++ b/drivers/infiniband/core/umem_odp.c
@@ -463,7 +463,7 @@ int ib_umem_odp_map_dma_and_lock(struct ib_umem_odp *umem_odp, u64 user_virt,
 		mutex_unlock(&umem_odp->umem_mutex);
 
 out_put_mm:
-	mmput(owning_mm);
+	mmput_async(owning_mm);
 out_put_task:
 	if (owning_process)
 		put_task_struct(owning_process);
diff --git a/kernel/fork.c b/kernel/fork.c
index 89475c994ca91..908ba3c93893f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1153,6 +1153,7 @@ void mmput_async(struct mm_struct *mm)
 		schedule_work(&mm->async_put_work);
 	}
 }
+EXPORT_SYMBOL_GPL(mmput_async);
 #endif
 
 /**