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 9A95BC433EF for ; Mon, 1 Nov 2021 19:39:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8161060273 for ; Mon, 1 Nov 2021 19:39:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229760AbhKATlk (ORCPT ); Mon, 1 Nov 2021 15:41:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42014 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229617AbhKATla (ORCPT ); Mon, 1 Nov 2021 15:41:30 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13D69C061764 for ; Mon, 1 Nov 2021 12:38:57 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id b12so25207261wrh.4 for ; Mon, 01 Nov 2021 12:38:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:from:date:message-id:subject:to:cc; bh=PCs1jWJejWVBSaYkuWpG5ZVx/T7dV/wdZJ2SEP85SX4=; b=FpgYjHT7o1pNGRzu3Qc0aFwsiElm7Ts1+yAJG2wmmMhbjzLqOV801W6IbTXXTYylAv ErEtrvwIEqyHxCHvT73NAzS++m7mw3oPKevaqXJW0IaplujbE0VgWyKGLkwnQuqZ+LtX ddBYe4mOy4ubuS4qnyN43AdCOJE8XOSuGTvusHQD/ep7uygEoZ50EiaJraA47iEiM2hn fzpuUDMShz6ybNsDlGv8Sa+EktA/59L63iLfDothpTHjd8bhIiU5GHrac5pC2+CoJZbK trxHAkCKtQaDxi3uQeaOX295eB/G1vWRba3yriGXiODXXCFOvESI2PFwOC5vKbRm7Ldf o8xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=PCs1jWJejWVBSaYkuWpG5ZVx/T7dV/wdZJ2SEP85SX4=; b=HV1b4RvZq8C+GHFfG2g984OidO+rmgbLeiNd8VZiT43kD1Y06cP9+sNq9aFVomoYAk kSe+afVnul6padbw6vgiqBUVQo2gkqsLdiG4wGtnPYR7Rl/1zgjfAFbLPC4QgjAvCd// co7OGQ9Poz8irC9mGAEKydfUj98v6cmZ2a/Z8d99pYtLqfZcLBedOLpmRaaFPO76eY6e klcldkTpoXTqYmIxDiuFM3VWe1DYPiCR7Rkj5+6fO/6sLJ+2aa8q2ykc3D832yp3hZz2 eyVFzVqI9QAmNSa5FVxvqztkt7ieMT5jy3pZTuu2j/EWwl8qblsBADBVBGcnKGjv49KQ 87YQ== X-Gm-Message-State: AOAM530NEYYOzHcbWtoVzz5WsZkH/QDiUYSXUh7JfQVSJY5qriDsPPNB flFfY7ZsaVhuTr5aAuPFjigwGm/X+VSNKuADAo1RdEEbk6+K4A== X-Google-Smtp-Source: ABdhPJzhtfCcvGnSnGKM6geKfETQpI3m8wEuac7/VPjAmNe7rhBAdH+FLl8KDUTdNQWH08pKQHswvtUk8QU7SBmyaKo= X-Received: by 2002:a5d:65c7:: with SMTP id e7mr21182104wrw.319.1635795535496; Mon, 01 Nov 2021 12:38:55 -0700 (PDT) MIME-Version: 1.0 From: Jue Wang Date: Mon, 1 Nov 2021 12:38:44 -0700 Message-ID: Subject: Re: [v5 PATCH 6/6] mm: hwpoison: handle non-anonymous THP correctly To: Yang Shi , Hugh Dickins Cc: Andrew Morton , kirill.shutemov@linux.intel.com, linux-fsdevel@vger.kernel.org, LKML , Linux MM , =?UTF-8?B?SE9SSUdVQ0hJIE5BT1lBKOWggOWPoyDnm7TkuZ8p?= , Oscar Salvador , Peter Xu , Matthew Wilcox Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org A related bug but whose fix may belong to a separate series: split_huge_page fails when invoked concurrently on the same THP page. It's possible that multiple memory errors on the same THP get consumed by multiple threads and come down to split_huge_page path easily. Thanks, -Jue