On Fri, 2014-10-17 at 11:28 -0700, Alexander Duyck wrote: > Yes, I am well aware of this bit. That is my concern. You increase the > size for truesize, it will cut the amount of queueing in half, and then > igb will start seeing drops when it has to deal with bursty traffic and > people will start to complain about a performance regression. That is > the bit I want to avoid. Then, what about addressing the issue for good, instead of working around it ? Don't worry, I will work on it. We also are working on a direct placement in memory for TCP receive path. (equivalent of sendfile() but for receiver), to avoid the need to hold payload in kernel memory (out of order queues) -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html