From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F4B71FA9 for ; Mon, 19 Jun 2023 14:41:35 +0000 (UTC) Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55A1FAF for ; Mon, 19 Jun 2023 07:41:32 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id ffacd0b85a97d-3112902f785so1871923f8f.0 for ; Mon, 19 Jun 2023 07:41:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=resnulli-us.20221208.gappssmtp.com; s=20221208; t=1687185691; x=1689777691; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=3vRHMWvV6nRKP2P2dnaYnD/vJ4nVZEBNGPmS2g6sB54=; b=MBvkNTMd8+x2CMVqKe6KI1honpkMNSPACpdV8zTk8NUhDdbrWtK1dTv5bbULCwNTIL 0X5v6oPGgjVOXFp5w8PkSzLFdpj6zq8I5jDqS85XX9cMWQuz5DbUvrRy055ONgUl1xwY VmcZ8bt432jtzQBi9O4tp6Po6tf442Z/4QhoXEhDn7vfvjIJezNwHl7CFUAdWEDrVbtu dQb14TPHw1kZGO8vh2WQxPJRyXId8tZmw+Jilj+YS4CnK3/F5mnyGZg8Z2dolXo9nc3q tBDZDvZ7LC77pzRHliK7tLY+W+OHu4ULcpTquyQ3GUOHFFnMPvH047lmlZ/ISKbrq6nj V1ZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687185691; x=1689777691; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=3vRHMWvV6nRKP2P2dnaYnD/vJ4nVZEBNGPmS2g6sB54=; b=ke/mK7fH3Xo71jfv0HjDBK3YPwDAZNk+GdfvNL71lWUjpu/IzKu4SA5dciSm7VvrJ6 aabj+k+8O+l/bmnEaAnekjq+3zWU2RNR3xhP3lMjpBZejQkAttknDwhL3gucTJ3WgYJv BiiIKSNyBc/lVzziD+UjghcUY3ILlB7ReDmKleRVROuKxCLpKb9zVkqO3LQUQX6gSVHT KNvdPSWoIj7NP2IuOy/Ja52k6rknQZjWHK+sB/2iyecw+uUQpG7rn96qPAu5g8hjpGxq gEqDMLFDD6g1AE04Ek8jC6+wCV1Pw0IUiKPrS1EpmIQ67vuVxKByw0LGW3VVBgOIyYMW tGAQ== X-Gm-Message-State: AC+VfDx4/rmsMM0CzP0BMklAB/+iKcFNLSjKSM2k8sDX7aOhaLhCHjAs 556f/qdjpjeLZSe/HUh91szw3w== X-Google-Smtp-Source: ACHHUZ5JuZfNdQKe0TujONIhR4K2XB0lAjDXfzZYECblP+LvKNcA4TS0HaJJR0823aN+/fXh1L6Rww== X-Received: by 2002:adf:ef10:0:b0:311:ff2:87e4 with SMTP id e16-20020adfef10000000b003110ff287e4mr8846429wro.33.1687185690687; Mon, 19 Jun 2023 07:41:30 -0700 (PDT) Received: from localhost (host-213-179-129-39.customer.m-online.net. [213.179.129.39]) by smtp.gmail.com with ESMTPSA id c2-20020a5d5282000000b002fae7408544sm31795247wrv.108.2023.06.19.07.41.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 07:41:29 -0700 (PDT) Date: Mon, 19 Jun 2023 16:41:28 +0200 From: Jiri Pirko To: Christophe JAILLET Cc: Jeremy Kerr , Matt Johnston , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH net-next] mctp: Reorder fields in 'struct mctp_route' Message-ID: References: <393ad1a5aef0aa28d839eeb3d7477da0e0eeb0b0.1687080803.git.christophe.jaillet@wanadoo.fr> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <393ad1a5aef0aa28d839eeb3d7477da0e0eeb0b0.1687080803.git.christophe.jaillet@wanadoo.fr> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_NONE, 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 Sun, Jun 18, 2023 at 11:33:55AM CEST, christophe.jaillet@wanadoo.fr wrote: >Group some variables based on their sizes to reduce hole and avoid padding. >On x86_64, this shrinks the size of 'struct mctp_route' >from 72 to 64 bytes. > >It saves a few bytes of memory and is more cache-line friendly. > >Signed-off-by: Christophe JAILLET Reviewed-by: Jiri Pirko