From nobody Mon Feb 9 04:14:29 2026 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 59B39C0015E for ; Thu, 27 Jul 2023 11:57:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233645AbjG0L5H (ORCPT ); Thu, 27 Jul 2023 07:57:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233580AbjG0L46 (ORCPT ); Thu, 27 Jul 2023 07:56:58 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DD122D4E for ; Thu, 27 Jul 2023 04:56:54 -0700 (PDT) Received: from canpemm500002.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RBTgD4yQxzNmV5; Thu, 27 Jul 2023 19:53:28 +0800 (CST) Received: from huawei.com (10.174.151.185) 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 15.1.2507.27; Thu, 27 Jul 2023 19:56:51 +0800 From: Miaohe Lin To: , CC: , , , Subject: [PATCH v2 4/4] mm: memory-failure: add PageOffline() check Date: Thu, 27 Jul 2023 19:56:43 +0800 Message-ID: <20230727115643.639741-5-linmiaohe@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20230727115643.639741-1-linmiaohe@huawei.com> References: <20230727115643.639741-1-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.151.185] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) 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 Content-Type: text/plain; charset="utf-8" Memory failure is not interested in logically offlined page. Skip this type of pages. Signed-off-by: Miaohe Lin Acked-by: Naoya Horiguchi --- mm/memory-failure.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index d975a6b224f7..e4c4b9dc852f 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1561,7 +1561,7 @@ static bool hwpoison_user_mappings(struct page *p, un= signed long pfn, * Here we are interested only in user-mapped pages, so skip any * other types of pages. */ - if (PageReserved(p) || PageSlab(p) || PageTable(p)) + if (PageReserved(p) || PageSlab(p) || PageTable(p) || PageOffline(p)) return true; if (!(PageLRU(hpage) || PageHuge(p))) return true; @@ -2535,7 +2535,8 @@ int unpoison_memory(unsigned long pfn) goto unlock_mutex; } =20 - if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reser= ved(folio)) + if (folio_test_slab(folio) || PageTable(&folio->page) || + folio_test_reserved(folio) || PageOffline(&folio->page)) goto unlock_mutex; =20 /* --=20 2.33.0