On Wed, 2013-11-20 at 09:36 +0000, David Laight wrote: > Ben said the largest number of fragments from the current network > stack will be 17, and that none of them will cross 32k boundaries. > So the network stack won't send down long SG lists.
Please note that skb->head itself _might_ cross a 32K or 64K boundary : skb->head is kmalloc() provided, and SLUB can be tweaked (slub_max_order) to use very high order pages. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
