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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 4EBAAC11F6B for ; Fri, 2 Jul 2021 13:40:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A07C61429 for ; Fri, 2 Jul 2021 13:40:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232607AbhGBNma (ORCPT ); Fri, 2 Jul 2021 09:42:30 -0400 Received: from mail-ed1-f52.google.com ([209.85.208.52]:42886 "EHLO mail-ed1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232524AbhGBNma (ORCPT ); Fri, 2 Jul 2021 09:42:30 -0400 Received: by mail-ed1-f52.google.com with SMTP id n25so13273904edw.9; Fri, 02 Jul 2021 06:39:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version:content-transfer-encoding; bh=w9kubsVWaTOUK+nU0YjZV/Ze/jgMiHptRWmLi0Ujvvg=; b=LCaclHVVTFcyBclFiXQlzb4AKlZZxnu9WAJFydVcmRnI2zuN7akKrF7FZcnXx/jjqi 1EcMXXDp8YEoUofvMO+/FY5YFEZPhOnbWDYoCumMW6kPUPWUEwVieoVlvwVQD4cWdW8N adlnCbXizKxWVZxLJX4DyP0i6vdoOuskQxOWubKx5icb9VyYUXvSoc9cPepnhPhlnt2Z OFgg7BtZwJLKtXsLaBGOlAMNCYfkk6ox1LgA+CAB1NvhsVk86JLIXPiOwR3ndvcSK4tt A5vFguwzAR5lcjAH/8R+EpE5APIfIwu0sMZHZ9lJ/K9+o3xa8vlV3+XLj7hHhKhnHCFU OoNg== X-Gm-Message-State: AOAM5302g2INy6/RvrMUSqOyfme2siyF1Zam3T0hakVF5arbOd4hxoKV fC5WltTHupH29tg6eJv0UuIWJSVQZXLJBhfN X-Google-Smtp-Source: ABdhPJwIHuKU+e0GC/3/lK/8AFkZf088CPagR8W+iav39xxS3ibBGzCEopLZXrN9ZYeu7IIv1zPHNg== X-Received: by 2002:a05:6402:88b:: with SMTP id e11mr6844737edy.21.1625233196688; Fri, 02 Jul 2021 06:39:56 -0700 (PDT) Received: from localhost (host-80-182-89-242.retail.telecomitalia.it. [80.182.89.242]) by smtp.gmail.com with ESMTPSA id b8sm1336709edr.42.2021.07.02.06.39.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Jul 2021 06:39:56 -0700 (PDT) Date: Fri, 2 Jul 2021 15:39:47 +0200 From: Matteo Croce To: Yunsheng Lin , , Sven Auhagen , Russell King Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH net-next RFC 0/2] add elevated refcnt support for page pool Message-ID: <20210702153947.7b44acdf@linux.microsoft.com> In-Reply-To: <1625044676-12441-1-git-send-email-linyunsheng@huawei.com> References: <1625044676-12441-1-git-send-email-linyunsheng@huawei.com> Organization: Microsoft X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 30 Jun 2021 17:17:54 +0800 Yunsheng Lin wrote: > This patchset adds elevated refcnt support for page pool > and enable skb's page frag recycling based on page pool > in hns3 drvier. > > Yunsheng Lin (2): > page_pool: add page recycling support based on elevated refcnt > net: hns3: support skb's frag page recycling based on page pool > > drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 79 +++++++- > drivers/net/ethernet/hisilicon/hns3/hns3_enet.h | 3 + > drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 1 + > drivers/net/ethernet/marvell/mvneta.c | 6 +- > drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +- > include/linux/mm_types.h | 2 +- > include/linux/skbuff.h | 4 +- > include/net/page_pool.h | 30 ++- > net/core/page_pool.c | 215 > +++++++++++++++++---- 9 files changed, 285 insertions(+), 57 > deletions(-) > Interesting! Unfortunately I'll not have access to my macchiatobin anytime soon, can someone test the impact, if any, on mvpp2? Regards, -- per aspera ad upstream