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 A700CC433EF for ; Tue, 31 May 2022 15:30:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345737AbiEaPaq (ORCPT ); Tue, 31 May 2022 11:30:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239001AbiEaPao (ORCPT ); Tue, 31 May 2022 11:30:44 -0400 Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0CD69A9A2 for ; Tue, 31 May 2022 08:30:43 -0700 (PDT) Received: by mail-pf1-x42c.google.com with SMTP id y196so717756pfb.6 for ; Tue, 31 May 2022 08:30:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=wty3/IgPPk35xcokPXnVEpawRtBNlFQDwPvYaWDnAaA=; b=o83A29Kl4N+SzaFcC0507jutzLYYUvFnckNNUsaO9951XaKhecizldGfLKDi++aqVA uErx2sQaMJw4jNNHS4dTRSKJkBW74e6OXFhO2pH9oB0TgFC/KvJ4fJj2iKcjlHqGe/mZ TgP99snv+XxueOAmeYGEuu/M/DSVALniIq9rhkxu/Iy3S/TD8uIB59cBNOVEhc+8M6Tw 0lwxJwvT8bBS8JGeB+JcU9qfmM3BIDzPveRrrBFbMCFIx8kP4FjablB4f4TKwLH2Nq8g IBWYNHKC8vctaM65JDy8QCQ/Tu+UEcYBZYHvhgOSFXuoo+iRAVJ/LKZsIWuz6cB4jWNM f+4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=wty3/IgPPk35xcokPXnVEpawRtBNlFQDwPvYaWDnAaA=; b=dDYcEj+iCPqPU+utTZ5Ri5gn/9k/eo4vJ67Ho8Ykwy4/dGyfRg4F0n7SZOlmo6P0ih B+uuOJlGHgOxfeCbRb9OhMrzLFbbDjoWZM4piNggkhXm9/HJXuZiW1CZq/Nw2x0ol2HL /JAjLhkAszVegYVhp4T3/ADAPplt4NXsD5MStoB3kggdGga0WF9unPRv4CfgJ15aTUfo nshyiT6/RqhiUAVdzPUbzHqzBcF/UaqTID0PTKpz98jrpKOE2QS7tFxlJGiBBiiZSaFL bRv+qrIuIsG7Dr5e+4JF0DZUl02d6OuD2ALGC7IFkxQyMkldLhIdgO6MCre0dIr2w2CC bYkg== X-Gm-Message-State: AOAM530KSOhTHJbQeZ5YKgsgB8THiDXl/tSt0IUNHTTO19qhcySE3N5I gaHwi5BTx8z88QvDbVsQNzibiA== X-Google-Smtp-Source: ABdhPJy+dsfmTWB7e6sW7rjHtIVp9Oy7bU3hboZZn0ow8fGFjKZt4BCTm8mUOtDxR+eeOH+Y9VcE7w== X-Received: by 2002:aa7:8149:0:b0:518:f2e:220d with SMTP id d9-20020aa78149000000b005180f2e220dmr61949331pfn.65.1654011043146; Tue, 31 May 2022 08:30:43 -0700 (PDT) Received: from localhost ([2408:8207:18da:2310:94c7:fca6:824f:4dab]) by smtp.gmail.com with ESMTPSA id u3-20020a170902bf4300b0015e8d4eb2a6sm11335696pls.240.2022.05.31.08.30.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 May 2022 08:30:42 -0700 (PDT) Date: Tue, 31 May 2022 23:30:36 +0800 From: Muchun Song To: Miaohe Lin Cc: akpm@linux-foundation.org, anshuman.khandual@arm.com, david@redhat.com, osalvador@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/memremap: fix missing call to untrack_pfn() in pagemap_range() Message-ID: References: <20220531122643.25249-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220531122643.25249-1-linmiaohe@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 31, 2022 at 08:26:43PM +0800, Miaohe Lin wrote: > We forget to call untrack_pfn() to pair with track_pfn_remap() when range > is not allowed to hotplug. Fix it by jump err_kasan. > > Fixes: bca3feaa0764 ("mm/memory_hotplug: prevalidate the address range being added with platform") > Signed-off-by: Miaohe Lin Good catch. Acked-by: Muchun Song Thanks.