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 18083C433F5 for ; Mon, 14 Feb 2022 14:51:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A13CC6B0078; Mon, 14 Feb 2022 09:51:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 9C2926B007B; Mon, 14 Feb 2022 09:51:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8B1E26B007D; Mon, 14 Feb 2022 09:51:10 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.25]) by kanga.kvack.org (Postfix) with ESMTP id 7AA946B0078 for ; Mon, 14 Feb 2022 09:51:10 -0500 (EST) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay13.hostedemail.com (Postfix) with ESMTP id 58EAE6018C for ; Mon, 14 Feb 2022 14:51:10 +0000 (UTC) X-FDA: 79141673100.02.45D4770 Received: from out1.migadu.com (out1.migadu.com [91.121.223.63]) by imf06.hostedemail.com (Postfix) with ESMTP id 8FD0818000C for ; Mon, 14 Feb 2022 14:51:09 +0000 (UTC) Date: Mon, 14 Feb 2022 23:51:00 +0900 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1644850267; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9r4q9KA5DEP1S5w8Vj8kTrpG1XR/dLB6VQakEAJe3ko=; b=lMzyGzbVeAWvehKNueT0sJ+uBdOYKdNjjOknQTqK2vPHiiWETTvIPmgc0EABn5Rz+AjPN8 3hpvZbQxbxJryfYobR1HbqIdulQDwxBijSr6Y7raPSYezLNlQkrxDwjOIgKb7NzBhTUWOD fjFsmUvKtAORm/Gmbi0hev+/0kR3AIA= X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Naoya Horiguchi To: Miaohe Lin Cc: akpm@linux-foundation.org, naoya.horiguchi@nec.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 6/8] mm/memory-failure.c: rework the try_to_unmap logic in hwpoison_user_mappings() Message-ID: <20220214145100.GF2624914@u2004> References: <20220210141733.1908-1-linmiaohe@huawei.com> <20220210141733.1908-7-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220210141733.1908-7-linmiaohe@huawei.com> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=lMzyGzbV; spf=pass (imf06.hostedemail.com: domain of naoya.horiguchi@linux.dev designates 91.121.223.63 as permitted sender) smtp.mailfrom=naoya.horiguchi@linux.dev; dmarc=pass (policy=none) header.from=linux.dev X-Rspamd-Server: rspam07 X-Rspam-User: X-Rspamd-Queue-Id: 8FD0818000C X-Stat-Signature: bs9z135h88p6qh1nfwcbyioepe5yp57h X-HE-Tag: 1644850269-169962 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 Thu, Feb 10, 2022 at 10:17:31PM +0800, Miaohe Lin wrote: > Only for hugetlb pages in shared mappings, try_to_unmap should take > semaphore in write mode here. Rework the code to make it clear. > > Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi