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 7FE03C76196 for ; Mon, 3 Apr 2023 15:10:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231450AbjDCPKm (ORCPT ); Mon, 3 Apr 2023 11:10:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230044AbjDCPKl (ORCPT ); Mon, 3 Apr 2023 11:10:41 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEAF6197; Mon, 3 Apr 2023 08:10:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ZoXFx8oNL/N+tUpgQ9R5nRcJHiW5eJ11y0V+QBJtJbE=; b=JtMGl/T1h3Tk0EB9kqoDklN/1D vjpkewGSjYKCtkYwxAWFfCJqGdz2D4VE+0UDW8kLyvNHtkKi80O74EHK9KRsfQC0kTPlqp3Of78Wi oaDoWR0W6adOx2tA/Gyov+yKLgKsd+zHQ4uomWio0xAnlGrvOR3VeRugIZDiTveSJ8COwJLn1jV2u 9WM0+/+wnsmTAkUhMC+Vi/2ifOoYmc0d459vRfx5KPv2me5HB9xovqCbHkGwFsJNdh98ZLeWgH11R Qteon8LpKeuBCIAbWEeQt+SkgNcmhwlguFM/qRQ28kclUvSnvjP9lMjBC8RUrcwWbg3JDI1Vj51ys Ol+vdD9g==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pjLpO-00FkAA-1h; Mon, 03 Apr 2023 15:10:38 +0000 Date: Mon, 3 Apr 2023 08:10:38 -0700 From: Christoph Hellwig To: Kent Overstreet Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, willy@infradead.org, axboe@kernel.dk Subject: Re: [PATCH 0/2] bio iter improvements Message-ID: References: <20230327174402.1655365-1-kent.overstreet@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Tue, Mar 28, 2023 at 04:28:08PM -0400, Kent Overstreet wrote: > > Can you post a code size comparism for the before and after cases? > > 6.2: > kent@moria:~/linux$ size ktest-out/kernel_build.x86_64/vmlinux > text data bss dec hex filename > 13234215 5355074 872448 19461737 128f669 ktest-out/kernel_build.x86_64/vmlinux > > With patches: > kent@moria:~/linux$ size ktest-out/kernel_build.x86_64/vmlinux > text data bss dec hex filename > 13234215 5355578 872448 19462241 128f861 ktest-out/kernel_build.x86_64/vmlinux So we have a slightly larger binary size, and a slighly larger source code size. What is the overall benefit of this conversion?