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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69B4AEB64DA for ; Mon, 19 Jun 2023 14:41:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231719AbjFSOli (ORCPT ); Mon, 19 Jun 2023 10:41:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231635AbjFSOlf (ORCPT ); Mon, 19 Jun 2023 10:41:35 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52916AA for ; Mon, 19 Jun 2023 07:41:32 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id ffacd0b85a97d-3110a5f2832so3478965f8f.1 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=GKPtl72n4pzC3qvrvE/WAmoLcQd5Oax7+7EyudC6aEmUGZOuURWfYsiKgbImvHeHE4 1vqpznj8yobkv0SjgZsp+3qKQRMKkxo7LhCwgVrzJK4p9UOQvelfzAryeBfrWUXHiMaz 3JGMPu8ii1t7EK5Gw3SJFyHh/fH6F0N+0UD8lcwzXYriTFDDSybKp03QVdJiu2XuQNMt fNCOj5Ij2NO3pKwirvq8m9tgwyTrbb2LNTNKon/73iCqOd9mzTM+ziEjBIv61GsIHfaX FSFs+CFllqpJoLzCCLpbMt7/aoYNPpLGcKgAjOiZ70D3+7ypUFF0xCljuoiEF3yss9yC 350g== X-Gm-Message-State: AC+VfDxnfftKkxhaL08bLrvcCKbjgNxzTEV/pGhRAZq3RksJdlmW6sLn OBATR4efH60/YqpSvY1w1f6j5A== 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <393ad1a5aef0aa28d839eeb3d7477da0e0eeb0b0.1687080803.git.christophe.jaillet@wanadoo.fr> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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