Re: [PATCH 1/2] mm/page_alloc: free order-0 pages through PCP in page_frag_free()

From: Eric Dumazet
Date: Mon Nov 12 2018 - 10:44:23 EST




On 11/12/2018 07:30 AM, Alexander Duyck wrote:

> It sounds to me like XDP would probably be your best bet. With that
> you could probably get away with smaller ring sizes, higher interrupt
> rates, and get the advantage of it batching the Tx without having to
> drop packets.

Add to this that with XDP (or anything lowering per packet processing costs)
you can reduce number of cpus/queues, get better latencies, and bigger TX batches.