[RFC][PATCH 7/9] UML eth driver conversion

Update the driver to make use of the netdev_alloc_skb() API and the
NETIF_F_MEMALLOC feature.

Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Daniel Phillips <[email protected]>

---
 arch/um/drivers/net_kern.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux-2.6/arch/um/drivers/net_kern.c
===================================================================
--- linux-2.6.orig/arch/um/drivers/net_kern.c
+++ linux-2.6/arch/um/drivers/net_kern.c
@@ -43,7 +43,7 @@ static int uml_net_rx(struct net_device 
 	struct sk_buff *skb;
 
 	/* If we can't allocate memory, try again next round. */
-	skb = dev_alloc_skb(dev->mtu);
+	skb = netdev_alloc_skb(dev, dev->mtu);
 	if (skb == NULL) {
 		lp->stats.rx_dropped++;
 		return 0;
@@ -377,6 +377,7 @@ static int eth_configure(int n, void *in
 	dev->ethtool_ops = &uml_net_ethtool_ops;
 	dev->watchdog_timeo = (HZ >> 1);
 	dev->irq = UM_ETH_IRQ;
+	dev->features |= NETIF_F_MEMALLOC;
 
 	rtnl_lock();
 	err = register_netdevice(dev);
-
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---

• References:
  • [RFC][PATCH 0/9] Network receive deadlock prevention for NBD
    • From: Peter Zijlstra <[email protected]>

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