diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index b793e3521a3..3acff097456 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4157,6 +4157,10 @@ EXPORT_SYMBOL(napi_gro_receive); static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb) { + if (unlikely(skb->pfmemalloc)) { + consume_skb(skb); + return; + } __skb_pull(skb, skb_headlen(skb)); /* restore the reserve we had after netdev_alloc_skb_ip_align() */ skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN - skb_headroom(skb)); @@ -7196,11 +7200,10 @@ static void __net_exit rtnl_lock_unregistering(struct list_head *net_list) */ struct net *net; bool unregistering; - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); + add_wait_queue(&netdev_unregistering_wq, &wait); for (;;) { - prepare_to_wait(&netdev_unregistering_wq, &wait, - TASK_UNINTERRUPTIBLE); unregistering = false; rtnl_lock(); list_for_each_entry(net, net_list, exit_list) { @@ -7212,9 +7215,10 @@ static void __net_exit rtnl_lock_unregistering(struct list_head *net_list) if (!unregistering) break; __rtnl_unlock(); - schedule(); + + wait_woken(&wait, TASK_UNINTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); } - finish_wait(&netdev_unregistering_wq, &wait); + remove_wait_queue(&netdev_unregistering_wq, &wait); } static void __net_exit default_device_exit_batch(struct list_head *net_list) |