alloc_ordered_workqueue() with WQ_MEM_RECLAIM set, replaces deprecated create_singlethread_workqueue(). This is the identity conversion.
The workqueue "wq" queues mulitple work items viz &priv->restart_task, &priv->cm.rx_reap_task, &priv->cm.skb_task, &priv->neigh_reap_task, &priv->ah_reap_task, &priv->mcast_task and &priv->carrier_on_task. The work items require strict execution ordering. Hence, an ordered dedicated workqueue has been used. WQ_MEM_RECLAIM has been set to ensure forward progress under memory pressure. Signed-off-by: Bhaktipriya Shridhar <bhaktipriy...@gmail.com> --- drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c index 1e7cbba..5737652 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c @@ -156,7 +156,7 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca) * the various IPoIB tasks assume they will never race against * themselves, so always use a single thread workqueue */ - priv->wq = create_singlethread_workqueue("ipoib_wq"); + priv->wq = alloc_ordered_workqueue("ipoib_wq", WQ_MEM_RECLAIM); if (!priv->wq) { printk(KERN_WARNING "ipoib: failed to allocate device WQ\n"); goto out_free_pd; -- 2.1.4