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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7C9CC433F5 for ; Tue, 31 May 2022 15:30:49 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 503216B0072; Tue, 31 May 2022 11:30:49 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4AEBA6B0073; Tue, 31 May 2022 11:30:49 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 39C8E6B0074; Tue, 31 May 2022 11:30:49 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 2BB056B0072 for ; Tue, 31 May 2022 11:30:49 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 8D8A0812C1 for ; Tue, 31 May 2022 15:30:46 +0000 (UTC) X-FDA: 79526425692.02.FBFB96E Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) by imf28.hostedemail.com (Postfix) with ESMTP id 57E8AC003D for ; Tue, 31 May 2022 15:30:06 +0000 (UTC) Received: by mail-pf1-f173.google.com with SMTP id c196so1644010pfb.1 for ; Tue, 31 May 2022 08:30:44 -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=CAuZC/OfkffHVksrlWeTxfZeZkYMtS6x7jkxkFLKwYgWjcfEWXl4i6tDfbGfmFvWZF XvrTQ6kCk7NNqrBMnm5LL40ujeCZrF2tZhL6SYWKIY0yUlhRGHLTxNC0OBdQ3nA2i7Kn dt2R2VkgIK30npcBKC7ZyAQHj8hvG4/Jec74tx1Se4hCkpyOPPc4EkAwodDnimWoWTAm 3CBdW7UtQRE5f46dVuLxGGAkdVqtWF5GVGV4J6bKLWmiAdke8SNi60OaM+yvXNrJYoHd aZmV9uB6P8HEMbfShM7qaaOQyXWiTEqWDbFmEYvckC+EavypmsLbjKAwAYq1SMaX/99Q p3Pw== X-Gm-Message-State: AOAM532g7VXC9DemSpezaL+iwMJqTq50UKyUiboOgOrRGWMwWipi+h/Q dt1xHIFnryynWW0sxEOKJZrYjMtVDyjOeQ== 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> X-Rspam-User: Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=bytedance-com.20210112.gappssmtp.com header.s=20210112 header.b=o83A29Kl; dmarc=pass (policy=none) header.from=bytedance.com; spf=pass (imf28.hostedemail.com: domain of songmuchun@bytedance.com designates 209.85.210.173 as permitted sender) smtp.mailfrom=songmuchun@bytedance.com X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 57E8AC003D X-Stat-Signature: wdbgifg5rg95w57kydg1gfxf1jc85mq5 X-HE-Tag: 1654011006-310706 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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.