From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.4 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D8BEC4338F for ; Fri, 6 Aug 2021 01:37:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8137B60F70 for ; Fri, 6 Aug 2021 01:37:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243208AbhHFBha (ORCPT ); Thu, 5 Aug 2021 21:37:30 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:13283 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239868AbhHFBh2 (ORCPT ); Thu, 5 Aug 2021 21:37:28 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.54]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4Ggnyp1xslz83FG; Fri, 6 Aug 2021 09:32:18 +0800 (CST) Received: from dggpemm500005.china.huawei.com (7.185.36.74) by dggemv704-chm.china.huawei.com (10.3.19.47) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 6 Aug 2021 09:37:10 +0800 Received: from [10.69.30.204] (10.69.30.204) by dggpemm500005.china.huawei.com (7.185.36.74) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Fri, 6 Aug 2021 09:37:10 +0800 Subject: Re: [PATCH net-next 4/4] net: hns3: support skb's frag page recycling based on page pool To: Jakub Kicinski CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <1628161526-29076-1-git-send-email-linyunsheng@huawei.com> <1628161526-29076-5-git-send-email-linyunsheng@huawei.com> <20210805182006.66133c8e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> From: Yunsheng Lin Message-ID: <72f6a642-2efc-b2fd-7d4e-f099b63c0703@huawei.com> Date: Fri, 6 Aug 2021 09:37:10 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 MIME-Version: 1.0 In-Reply-To: <20210805182006.66133c8e@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.69.30.204] X-ClientProxiedBy: dggeme720-chm.china.huawei.com (10.1.199.116) To dggpemm500005.china.huawei.com (7.185.36.74) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/8/6 9:20, Jakub Kicinski wrote: > 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 > > This patch does not apply cleanly to net-next, please rebase > if you're targeting that tree. It seems I forgot to rebase the net-next tree before doing "git format-patch", thanks for mentioning that. > . >