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 AF392C433EF for ; Fri, 18 Feb 2022 09:02:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B2A856B0078; Fri, 18 Feb 2022 04:02:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AD95F6B007B; Fri, 18 Feb 2022 04:02:13 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 97AA06B007D; Fri, 18 Feb 2022 04:02:13 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0139.hostedemail.com [216.40.44.139]) by kanga.kvack.org (Postfix) with ESMTP id 897686B0078 for ; Fri, 18 Feb 2022 04:02:13 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 5388C18142F34 for ; Fri, 18 Feb 2022 09:02:13 +0000 (UTC) X-FDA: 79155308946.16.6049907 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by imf19.hostedemail.com (Postfix) with ESMTP id 76D841A0002 for ; Fri, 18 Feb 2022 09:02:12 +0000 (UTC) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4K0QZK1Mv9zZfW3; Fri, 18 Feb 2022 16:57:45 +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; Fri, 18 Feb 2022 17:02:09 +0800 From: Miaohe Lin To: , CC: , , Subject: [PATCH v3 5/8] mm/memory-failure.c: remove PageSlab check in hwpoison_filter_dev Date: Fri, 18 Feb 2022 17:01:15 +0800 Message-ID: <20220218090118.1105-6-linmiaohe@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20220218090118.1105-1-linmiaohe@huawei.com> References: <20220218090118.1105-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.124.27] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To canpemm500002.china.huawei.com (7.192.104.244) X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: 76D841A0002 X-Stat-Signature: xkpasm3fyyiw9eho7hd4txtmr5oa719y Authentication-Results: imf19.hostedemail.com; dkim=none; dmarc=pass (policy=quarantine) header.from=huawei.com; spf=pass (imf19.hostedemail.com: domain of linmiaohe@huawei.com designates 45.249.212.187 as permitted sender) smtp.mailfrom=linmiaohe@huawei.com X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1645174932-992316 Content-Transfer-Encoding: quoted-printable 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: Since commit 03e5ac2fc3bf ("mm: fix crash when using XFS on loopback"), page_mapping() can handle the Slab pages. So remove this unnecessary PageSlab check and obsolete comment. Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi --- mm/memory-failure.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2ca50cfa601f..a6f6fdf708ae 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -130,12 +130,6 @@ static int hwpoison_filter_dev(struct page *p) hwpoison_filter_dev_minor =3D=3D ~0U) return 0; =20 - /* - * page_mapping() does not accept slab pages. - */ - if (PageSlab(p)) - return -EINVAL; - mapping =3D page_mapping(p); if (mapping =3D=3D NULL || mapping->host =3D=3D NULL) return -EINVAL; --=20 2.23.0