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 249E6C433EF for ; Wed, 16 Feb 2022 09:15:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232064AbiBPJPo (ORCPT ); Wed, 16 Feb 2022 04:15:44 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:34932 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231949AbiBPJP3 (ORCPT ); Wed, 16 Feb 2022 04:15:29 -0500 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6482D21D0A2 for ; Wed, 16 Feb 2022 01:15:18 -0800 (PST) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4JzByR1kmSz1FCXG; Wed, 16 Feb 2022 17:10:55 +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; Wed, 16 Feb 2022 17:15:16 +0800 From: Miaohe Lin To: , CC: , , Subject: [PATCH v2 8/8] mm/memory-failure.c: remove unnecessary PageTransTail check Date: Wed, 16 Feb 2022 17:14:31 +0800 Message-ID: <20220216091431.39406-9-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220216091431.39406-1-linmiaohe@huawei.com> References: <20220216091431.39406-1-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 Acked-by: Naoya Horiguchi --- 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 5d2e653a145d..6e7baa90214a 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1842,7 +1842,7 @@ 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