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 7DECBC433F5 for ; Mon, 14 Feb 2022 14:54:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 072756B0078; Mon, 14 Feb 2022 09:54:37 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 021906B007B; Mon, 14 Feb 2022 09:54:36 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E7AB56B007D; Mon, 14 Feb 2022 09:54:36 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0009.hostedemail.com [216.40.44.9]) by kanga.kvack.org (Postfix) with ESMTP id DCB9A6B0078 for ; Mon, 14 Feb 2022 09:54:36 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A39D2180AC358 for ; Mon, 14 Feb 2022 14:54:36 +0000 (UTC) X-FDA: 79141681752.25.5E13C4B Received: from out1.migadu.com (out1.migadu.com [91.121.223.63]) by imf08.hostedemail.com (Postfix) with ESMTP id 19CB7160005 for ; Mon, 14 Feb 2022 14:54:35 +0000 (UTC) Date: Mon, 14 Feb 2022 23:54:30 +0900 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1644850475; 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=At6z25KVyLmr+Oho1MeB6eHlhCEveeIWp0LPl89s+gQ=; b=O6k8/5IvJy1wUpyPOi8cOkBEdLXaRr3GBgdp/vu66g/ZC3/1KBvN4sbp9yuQ0Wcrkf2IW9 02mP8STw/bKgzIWjFTmPwhGUVDRMPtnSXu3P836DEcUqhJdpeqHOs0HF2ULxNUtQbRGD2/ dlgxX/xvH7XnSl9NFhuybSqw62lFyXg= 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 8/8] mm/memory-failure.c: remove unnecessary PageTransTail check Message-ID: <20220214145430.GG2624914@u2004> References: <20220210141733.1908-1-linmiaohe@huawei.com> <20220210141733.1908-9-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220210141733.1908-9-linmiaohe@huawei.com> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b="O6k8/5Iv"; dmarc=pass (policy=none) header.from=linux.dev; spf=pass (imf08.hostedemail.com: domain of naoya.horiguchi@linux.dev designates 91.121.223.63 as permitted sender) smtp.mailfrom=naoya.horiguchi@linux.dev X-Rspam-User: X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 19CB7160005 X-Stat-Signature: jc8g9g9abnqpu8yjbp56dtw95d4ayoa9 X-HE-Tag: 1644850475-317795 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 10:17:33PM +0800, Miaohe Lin wrote: > When we reach here, we're guaranteed to have non-compound page as thp is > already splited. Remove this unnecessary PageTransTail check. > > Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi