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 E74C9C433F5 for ; Thu, 10 Feb 2022 14:21:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242903AbiBJOVm (ORCPT ); Thu, 10 Feb 2022 09:21:42 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:38610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242835AbiBJOVU (ORCPT ); Thu, 10 Feb 2022 09:21:20 -0500 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 949BCF5 for ; Thu, 10 Feb 2022 06:21:20 -0800 (PST) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Jvf5X67DJz9sbB; Thu, 10 Feb 2022 22:19:44 +0800 (CST) Received: from huawei.com (10.175.124.27) by canpemm500002.china.huawei.com (7.192.104.244) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.21; Thu, 10 Feb 2022 22:21:17 +0800 From: Miaohe Lin To: , CC: , , Subject: [PATCH 8/8] mm/memory-failure.c: remove unnecessary PageTransTail check Date: Thu, 10 Feb 2022 22:17:33 +0800 Message-ID: <20220210141733.1908-9-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220210141733.1908-1-linmiaohe@huawei.com> References: <20220210141733.1908-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- mm/memory-failure.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 3d0803a13703..3e404b06efdc 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1838,7 +1838,7 @@ int memory_failure(unsigned long pfn, int flags) * page_lock. We need wait writeback completion for this page or it * may trigger vfs BUG while evict inode. */ - if (!PageTransTail(p) && !PageLRU(p) && !PageWriteback(p)) + if (!PageLRU(p) && !PageWriteback(p)) goto identify_page_state; /* -- 2.23.0