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=-5.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 1ED98C54FCB for ; Sat, 25 Apr 2020 23:51:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DAD9220672 for ; Sat, 25 Apr 2020 23:51:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tb2Gnslj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726110AbgDYXvP (ORCPT ); Sat, 25 Apr 2020 19:51:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726070AbgDYXvO (ORCPT ); Sat, 25 Apr 2020 19:51:14 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 866C7C061A0C for ; Sat, 25 Apr 2020 16:51:14 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id y25so6853376pfn.5 for ; Sat, 25 Apr 2020 16:51:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=gNimARR7f1InDIfM/YjZDsAudijPL9d0Tv5eGXZAxXU=; b=tb2Gnsljf6aXV7dwlLH5sp9kijyWYRxFCCSRWnn1B48dkzbnMrb+e+xolMNhnwLX5D gTPXec/jswTdMHouu/wipRx1fhg6N8SevPBgY8tHqL68tIk8846iFIfy5xQKw7DCxNZj m9sBu+Ev2hJ5de/BogDeUpdkOV04QPRXM9N9iIt6Dm89H25CxJNZjHeinekgKTXK3AUj /GhQYtmrpt0YST+VcuWgdQb9tTUzJG3uJoMsE5msVmoJvSYhh8Q+DaaL61BX+K7erBg/ MD/s6ZPjqy8Vx1LogmDwji94pKc2+YShQbzHRXjM65HAm6lQZeD0h/aErFQLQBd1W9zx TVow== 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:references :mime-version:content-disposition:in-reply-to; bh=gNimARR7f1InDIfM/YjZDsAudijPL9d0Tv5eGXZAxXU=; b=R/ZQYtLqCX2A+/1JF1pZZscgOk5mDcwf2HIoR5fxgl0hBgso1cRqW3K+c6uWopHh6c 9sixeLmnfoqTKHOIImdYTsu59aM8SzcT9x6tQ0NBqNJUnKYgjmPD2kQQAy3PBy3YIWPT jZz3fL9FaANWK+AWAHPVlm6b2kpyaHUYIHESwdERPUwSq3DSlkPWQBXuQkBOuYAE+5ak 8HF6Tm/uO4XjblGM+3jRs0Hd//bSEqGFSYAvjYk36VkBwhkNVTOrBBPTNPQSgrfP9SMI wrkMraoEzezP7UrkYV3uBVRZIP9xct0buEXywbmznU0HU/04J41hZOeceY9/NTX1BLu2 dMCg== X-Gm-Message-State: AGi0PubHe7KsCo2poYJcpa/J6xKDQtvuW+A1ntqSi+rNHePwhjkNMbP8 t9E0L/6Dtb6D3XX6MFyXogk= X-Google-Smtp-Source: APiQypJ3VkFB8XKBGSV4Z1WVyA4rnrjzxPXZwzod4p2Pk/ePnhc2dul3oeLQQlHLTEsIERYMClccGw== X-Received: by 2002:a63:4d4f:: with SMTP id n15mr15654301pgl.399.1587858674077; Sat, 25 Apr 2020 16:51:14 -0700 (PDT) Received: from mail.google.com ([149.248.10.52]) by smtp.gmail.com with ESMTPSA id d29sm7395596pgm.83.2020.04.25.16.51.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Apr 2020 16:51:13 -0700 (PDT) Date: Sun, 26 Apr 2020 07:51:05 +0800 From: Changbin Du To: Markus Elfring Cc: Changbin Du , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Christoph Lameter , David Rientjes , Joonsoo Kim , Kees Cook , Pekka Enberg Subject: Re: [PATCH] mm/slub: do not place freelist pointer to middle of object if redzone is on Message-ID: <20200425235105.sye7fsbndbv24b46@mail.google.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Apr 25, 2020 at 10:24:45PM +0200, Markus Elfring wrote: > > Fixes: 3202fa62fb ("slub: relocate freelist pointer to middle of object") > > Will a longer commit identifier be safer for the final change description? > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?id=b2768df24ec400dd4f7fa79542f797e904812053#n183 > I used to give 12 charactors, but this time I lost two. :) > Regards, > Markus -- Cheers, Changbin Du