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 E7631C38A02 for ; Wed, 26 Oct 2022 00:24:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231356AbiJZAYw (ORCPT ); Tue, 25 Oct 2022 20:24:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38410 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230307AbiJZAYs (ORCPT ); Tue, 25 Oct 2022 20:24:48 -0400 Received: from mail-pl1-x629.google.com (mail-pl1-x629.google.com [IPv6:2607:f8b0:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23F0E1DDD2 for ; Tue, 25 Oct 2022 17:24:45 -0700 (PDT) Received: by mail-pl1-x629.google.com with SMTP id p3so11539385pld.10 for ; Tue, 25 Oct 2022 17:24:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:content-id:mime-version:references:in-reply-to:cc :to:subject:from:from:to:cc:subject:date:message-id:reply-to; bh=IgaYZInvHXlLYVk4zW+vNcwWy/urUb5g0jRG2+4Ix0I=; b=IL3gA9c7b+T4WSQT2YbrUsyjaEev78jZjdExfzaFAeJRV2ukQ6Tcu5iBDr5DGz+Tpo kN9iKRRG3vnzkqnTR+5S1f5eE7vhlI5kEJJuM3i/nF+ejSXQwYLOS/Vaf5rPOHnmlMYz FjPOdJsC3O5oQPsOSApezWy84PJtmV8gB1gpsvWwa5QhgLTSiG838h9ZcUNACzV0TZ/j MV6rwZ76ViOvQrSL7QADWtUkKkC2g64x8JW+RKFblOvNoUn5YMC291+K1Sqr1C2Mrh1J cYVuqqd/5e9U9xVHfH8LYgAOxap5bHy2BJ6hqzCu78yO0yrRJKPLsT5DMyspudmZ+M6k T+bA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=message-id:date:content-id:mime-version:references:in-reply-to:cc :to:subject:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=IgaYZInvHXlLYVk4zW+vNcwWy/urUb5g0jRG2+4Ix0I=; b=0EdxA3Ju9OlLwEFIGShfQi6khShUZiU2ET0mWy1qJDN+6FIUEhMbEVFwuBrZTyCZvT Z2fr5uGDxhIVFIjadz0hvGRSua0wUo9pOOXIiPPnQSWpoG7wYNNkKV7Uhf6I9vYi7tL9 PxGPE2+TiZWe7wz8Xt8fF7Esw6Dvx0GNiubP/3ayJlzBirYq64EQRFdljQn8KVXl1B3C mJrVzvbqeuwexokNVSr6R/59f6ZkpoYbfmZqWXdPZOXLpm6g8PxBtVq855634Qtlr797 Ii0HRHALbMyk/bMSEKVOVJjKg6BIBvkZ7LOZjZGXNssYJrltlZHqK/OTXBUOxozPQYJ+ 4NYw== X-Gm-Message-State: ACrzQf2S6zQ7xCZK0UiWAmDZW810wykX5Nu+0KlnEAKcddV7Whyv8/lE +n54FO5lHBF+y4FHGxlDt32s/UdcW58= X-Google-Smtp-Source: AMsMyM62s5NjkzEV0+VPVj4O04GecKUynPlpASnblEDUYjRg6vrn6VX6Vc60aT5zIqD/h9TcgM1EoQ== X-Received: by 2002:a17:90b:1d8a:b0:20f:95f9:ff34 with SMTP id pf10-20020a17090b1d8a00b0020f95f9ff34mr1042528pjb.227.1666743884599; Tue, 25 Oct 2022 17:24:44 -0700 (PDT) Received: from jromail.nowhere (h219-110-108-104.catv02.itscom.jp. [219.110.108.104]) by smtp.gmail.com with ESMTPSA id d17-20020a170902ced100b00186ae540083sm1734616plg.91.2022.10.25.17.24.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Oct 2022 17:24:44 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=jrobl) by jrobl id 1onUDq-0002Ol-J5 ; Wed, 26 Oct 2022 09:24:42 +0900 From: "J. R. Okajima" Subject: Re: [PATCH] mmap: Fix remap_file_pages() regression To: Liam Howlett Cc: "maple-tree@lists.infradead.org" , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , Andrew Morton In-Reply-To: <20221025161222.2634030-1-Liam.Howlett@oracle.com> References: <20221025161222.2634030-1-Liam.Howlett@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <9221.1666743882.1@jrobl> Date: Wed, 26 Oct 2022 09:24:42 +0900 Message-ID: <9222.1666743882@jrobl> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Liam Howlett: > When using the VMA iterator, the final execution will set the variable > 'next' to NULL which causes the function to fail out. Restore the break > in the loop to exit the VMA iterator early without clearing NULL fixes > the issue. Thaks, it passed the test. J. R. Okajima