NETIF_F_HIGHDMA   180 net/bridge/br_device.c 	dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA |
NETIF_F_HIGHDMA  1590 net/core/dev.c 	if (dev->features & NETIF_F_HIGHDMA)