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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 340D4C43217 for ; Thu, 14 Oct 2021 19:16:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 21BF8611C1 for ; Thu, 14 Oct 2021 19:16:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233450AbhJNTSv (ORCPT ); Thu, 14 Oct 2021 15:18:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233424AbhJNTSq (ORCPT ); Thu, 14 Oct 2021 15:18:46 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 11498C061764; Thu, 14 Oct 2021 12:16:35 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id nn3-20020a17090b38c300b001a03bb6c4ebso5514516pjb.1; Thu, 14 Oct 2021 12:16:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=t7d34DBjXA/Fd4Uftw43Y/yrb2taV05XTSK85g4O7S0=; b=S/LjEHeI18KKjxMqJyEtb1mXXlmXPnmxe755hFPmOBqRG4bZLO+/sDrU6mr7/p8SRF 2f7UZQ3Mra0CSW2l4Zg0/LMSxTsEoPiQzAhJwajs6xEkrKTyhQYWamzZeieiaBbC+L9/ /0LSGCLxGvJTtXMsBDSM9GW18UeezC1ySt4LpWRMaqh6wl1P0UmaNWmAZr2xH5QdLZd+ czuIqobXkOdo/U9fJdbsUusAMD/Axa0gRY4DEDqMS3Cl7Js0BqV4oe+0IA9Zoli7Gm+q 1QMJdy9INA/bhEvpMn5Z1bPqi61p6iKt1VWrdgzS8IibNDxgSyb6/5NDLe7f15b5Wy+I 54cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=t7d34DBjXA/Fd4Uftw43Y/yrb2taV05XTSK85g4O7S0=; b=fEihuUJgTOML93v3RoCH7HC/dHNYcaPg1hEeKJlgSygWWpNyR0VNRrLs8SkA7QghhQ P+IwsZVYrpx7+utFhYGOsYvrNhS7xSxjEoZGtGqScvu+TNrhQMRH9QWrTDBH92qhnQ43 n1lvMapYNUeW+bFlBhdjUg4qn32rjSn5G7A0QU6X1SlNwNKWwBYq9Ng+Qpoa+bpyald8 1fR7npt/D8ccuiSeoIAF+EQySZiduRHIr7p7DPGFZL0i9vQvdLv14+noUrYt4aeU9XLl inIQmvgGzLw+zqEh+uXJKpsmTAj9rTLVrQ8raEkNqwO3bHzDWJ0WGtxQuy0BB/gCxpkX K51A== X-Gm-Message-State: AOAM531GOBBwsOJRqdPigahLVQidfjJR/PwgfECUj8WHAJn2EO1PboDj VsrrR2pwMs28y+i3sVEfj6ZpR8b52y0dsw== X-Google-Smtp-Source: ABdhPJwT4W8hhIyeely0XsKuzpQZ/liQr5lwe5HK4dqxxAyHYaMP7muP81Q4o7Zbi9ta+gKijzD13A== X-Received: by 2002:a17:90b:30d8:: with SMTP id hi24mr22154129pjb.62.1634238994680; Thu, 14 Oct 2021 12:16:34 -0700 (PDT) Received: from localhost.localdomain (c-73-93-239-127.hsd1.ca.comcast.net. [73.93.239.127]) by smtp.gmail.com with ESMTPSA id x129sm3253922pfc.140.2021.10.14.12.16.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Oct 2021 12:16:33 -0700 (PDT) From: Yang Shi To: naoya.horiguchi@nec.com, hughd@google.com, kirill.shutemov@linux.intel.com, willy@infradead.org, peterx@redhat.com, osalvador@suse.de, akpm@linux-foundation.org Cc: shy828301@gmail.com, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [v4 PATCH 6/6] mm: hwpoison: handle non-anonymous THP correctly Date: Thu, 14 Oct 2021 12:16:15 -0700 Message-Id: <20211014191615.6674-7-shy828301@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20211014191615.6674-1-shy828301@gmail.com> References: <20211014191615.6674-1-shy828301@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Currently hwpoison doesn't handle non-anonymous THP, but since v4.8 THP support for tmpfs and read-only file cache has been added. They could be offlined by split THP, just like anonymous THP. Acked-by: Naoya Horiguchi Signed-off-by: Yang Shi --- mm/memory-failure.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index f5eab593b2a7..3db738c02ab2 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1443,14 +1443,11 @@ static int identify_page_state(unsigned long pfn, struct page *p, static int try_to_split_thp_page(struct page *page, const char *msg) { lock_page(page); - if (!PageAnon(page) || unlikely(split_huge_page(page))) { + if (unlikely(split_huge_page(page))) { unsigned long pfn = page_to_pfn(page); unlock_page(page); - if (!PageAnon(page)) - pr_info("%s: %#lx: non anonymous thp\n", msg, pfn); - else - pr_info("%s: %#lx: thp split failed\n", msg, pfn); + pr_info("%s: %#lx: thp split failed\n", msg, pfn); put_page(page); return -EBUSY; } -- 2.26.2