Received: by 2002:a6b:fb09:0:0:0:0:0 with SMTP id h9csp1617045iog; Tue, 14 Jun 2022 09:28:34 -0700 (PDT) X-Google-Smtp-Source: AGRyM1vkrbd76UJU1riIIN9vOTxiG9e4fA6k43GWuZcPdHk0nWYWjwXhVL9gskF+gefN3NQauxJh X-Received: by 2002:a17:902:b949:b0:167:6548:2d93 with SMTP id h9-20020a170902b94900b0016765482d93mr4950972pls.131.1655224114520; Tue, 14 Jun 2022 09:28:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1655224114; cv=none; d=google.com; s=arc-20160816; b=OFmUOvbL7VHM3GPJTg2XFXuSi1ih7yD+kVb7nhFdHCQVAt/Q9tH9bwmBFq0oflJXKq tKiqu1FBWO/OvKGL3claUu2chpMn0bjNyqYwz4wqDcq+ebwW/8qYoxs0jBAwe9zbpEBu csk9F1VZElUrdOQ9HcNyh0Gu6XDbzELmTvU0jMo7DKfmMaNvfbRYvRC2NB9f57wB9Gu0 IDlfB+8v8hL3f3sfH55quZ/txw70G8IEugctPJg896tiyxM/glZw+VXpqSU5itUXGO/n HMQ4SpGn3Cs4yC8JHaUC4vKRwiJxZiZNuWxZJ+fiLcQpejoBX2t2tOZFNk2jq+a7Jn2z Q0LA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:to:content-language:subject:user-agent:mime-version:date :message-id:dkim-signature; bh=/SLmhszGSTZ0vVz5kkFX0OqQLkqAokJHIF8TSGcN0f8=; b=t1FRLyICN3b9LA42EwQB2kguTPvYspgtH+E1yzQ7Jvl4mWI1i7ntBkxJbCMfgsvv8/ mzEyLiTYRcboUGkkAb2BGetOBcG4JcF3GQA4IhfdYsuNmn8nOWyZBansgaWvYJ/Yhm5X j3vFABlMS4JrjuGuDIL2s+ui5WYmkSab1Yb6vF2UK0BXhOFWIc0qnOR984aDc+WLTD+y 4HbZoYcMuH/qu+zxTxSJPhIb4xtmEWmqN7uQeFZjnv0q3CtxQNoWKagz+/K4gqVqc9pt scjAJtc4VXhhaKbSBHH4ZyQqnURcqG+IFkKf2IWYb3nUhhOIo6yu5zD/QcLm9V4ZcpCd K7tg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=ofTQs7qo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id a6-20020a1709027e4600b0015f13887fe4si13603811pln.200.2022.06.14.09.28.19; Tue, 14 Jun 2022 09:28:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=ofTQs7qo; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356985AbiFNQMS (ORCPT + 99 others); Tue, 14 Jun 2022 12:12:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234800AbiFNQMS (ORCPT ); Tue, 14 Jun 2022 12:12:18 -0400 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71E3D43ECD; Tue, 14 Jun 2022 09:12:17 -0700 (PDT) Received: by mail-pf1-x430.google.com with SMTP id u2so8988738pfc.2; Tue, 14 Jun 2022 09:12:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=/SLmhszGSTZ0vVz5kkFX0OqQLkqAokJHIF8TSGcN0f8=; b=ofTQs7qoE5gXNwEp0zVQ9p1G1ZiVQpVTZKqnErTjYV5EXYo7mYnne0By54Lcj6pxe4 48M+pKBCFr4dKnDvDks1WRfVUKiBCU24ggjKZuCtA7EADw2FkdAMGnEmmpLWO92RnNwR YMvilX9JoXkRjRJecjxVnUOY+rJBMZObXIYt9uQYETWWl2M7gWqP4OAZiEG/s5c5JZWZ GgoMOjJig9mbMjoaoAVgDBo7OAkdyiiA9ptdZFCuVEN/JYPbzj7zt29UcaSzGvrXLqlI VYlYV46lMf0dWGdhsMeiyZDOlgWV488HqlPKKH0fVt1aOICaxTlcE5W+Nf4UTLpcSJdZ hW4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=/SLmhszGSTZ0vVz5kkFX0OqQLkqAokJHIF8TSGcN0f8=; b=t9fQDeqbYPWjvwYcGTugdTy+6DQPw9zWEZMduYS8AEyR+Cfgt12So60Yz3H++N4bG1 i9DZ4caJYAwB4Ke35dtGiBpydTJKcNeaSDh+LjrJYUpecr0/OiVYQpvOpInNc3pgySJ6 DRqUbyr7Pm/2je/TbGGxCWoW+UZlR+dfEfCUOGrRf4imKrBZhs5n1FhgQSkYIDR5Al93 7e/Vw3V1/vMW5AtyuJnChREVO8iTBVrxPBxfI6ubNQ2QV3qhL9xmrLnuM/SDl+vbXIEO nQ0pJN6GiH7ZH0chuA6KIoAlg8bU6yX0pv80dLsgI0eXPYJpV2mcq2vaItLbZD7tfWsP +mtw== X-Gm-Message-State: AJIora8tL/AaEWdQGiEjE5X6KEnH49pnJ184+VANtGVo5tczqYQheg8u piVzbdyfOwpQq9wur5UkNe8= X-Received: by 2002:a65:41ca:0:b0:408:aa25:5026 with SMTP id b10-20020a6541ca000000b00408aa255026mr2735075pgq.96.1655223136880; Tue, 14 Jun 2022 09:12:16 -0700 (PDT) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id ep11-20020a17090ae64b00b001eab4d6de9esm3151058pjb.3.2022.06.14.09.12.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 14 Jun 2022 09:12:16 -0700 (PDT) Message-ID: Date: Tue, 14 Jun 2022 09:12:14 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH] bcm63xx_enet: reuse skbuff_head Content-Language: en-US To: Sieng Piaw Liew , davem@davemloft.com, edumazet@google.com, kuba@kernel.org, f.fainelli@gmail.com, bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220614021009.696-1-liew.s.piaw@gmail.com> From: Florian Fainelli In-Reply-To: <20220614021009.696-1-liew.s.piaw@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/13/22 19:10, Sieng Piaw Liew wrote: > napi_build_skb() reuses NAPI skbuff_head cache in order to save some > cycles on freeing/allocating skbuff_heads on every new Rx or completed > Tx. > Use napi_consume_skb() to feed the cache with skbuff_heads of completed > Tx so it's never empty. > > Signed-off-by: Sieng Piaw Liew Reviewed-by: Florian Fainelli -- Florian