Re: [PATCH net-next 4/4] net: hns3: support skb's frag page recycling based on page pool

[Jakub Kicinski]

On Thu, 5 Aug 2021 19:05:26 +0800 Yunsheng Lin wrote:
> This patch adds skb's frag page recycling support based on
> the frag page support in page pool.
> 
> The performance improves above 10~20% for single thread iperf
> TCP flow with IOMMU disabled when iperf server and irq/NAPI
> have a different CPU.
> 
> The performance improves about 135%(14Gbit to 33Gbit) for single
> thread iperf TCP flow IOMMU is in strict mode and iperf server
> shares the same cpu with irq/NAPI.
> 
> Signed-off-by: Yunsheng Lin <linyunsheng@xxxxxxxxxx>

This patch does not apply cleanly to net-next, please rebase 
if you're targeting that tree.