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 981C1C433F5 for ; Tue, 12 Oct 2021 01:44:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AE6860F43 for ; Tue, 12 Oct 2021 01:44:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230077AbhJLBqZ (ORCPT ); Mon, 11 Oct 2021 21:46:25 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:27396 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229677AbhJLBqY (ORCPT ); Mon, 11 Oct 2021 21:46:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1634003062; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=N7XuxV1xdve3zt5mwi5zf9rSsN0pawUAPW+pIisdSIo=; b=ax131Si4wF6HBCBurh5MKfTQ53AiYwmsU+iAF0zhelt0JGdnFHnA6BtZ2M+ZrzhAXdi1Ca leTF/rVTyfPmV0yiPYI3hJQ3xbtn5lVBfo7q4aplZkd5rzx5kOqtrwGVGUgsu/0VmrFXDc odDzbtOA7xtSXXVFgY/Ku3ots82LYk0= Received: from mail-pg1-f197.google.com (mail-pg1-f197.google.com [209.85.215.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-35-jnj7QpoNP3GVlP2doqk2vw-1; Mon, 11 Oct 2021 21:44:21 -0400 X-MC-Unique: jnj7QpoNP3GVlP2doqk2vw-1 Received: by mail-pg1-f197.google.com with SMTP id u5-20020a63d3450000b029023a5f6e6f9bso7792471pgi.21 for ; Mon, 11 Oct 2021 18:44:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=N7XuxV1xdve3zt5mwi5zf9rSsN0pawUAPW+pIisdSIo=; b=MK2wXi/f0/gM5j8+dXC0OMhM2zqpgQu0xJlnHw3E88z/YVvz9N72CSZU7gqdK42Q4t pGcnfczPrLV2p5f8H4OaX1qSzXmxZ1k5/AvSghnQTlt6eR9+F1S4xZk21VufmYl51ILo J1JfX7fWc+37tYfKWrkwxWRCRE1j7Wec2v/ZtVYgQDMziMlGPCB+za9/LTVOXU8uKrFf sUPZkc80VIxaHp+IqwebbKYcmyfxyTv7t35NnKyr9xXHAIUleCGZG0XmvVCs5DmDxw5C qKgjgzV+pMq2RGsRlgOv5iEdyOpa/bwLCjSM+BiGBrSLwj7l3hx4ggeBxvsdxguwG+a1 GGkQ== X-Gm-Message-State: AOAM531zU3xMMvjZJzw20UgpfD6Snw5v37f/AhdkQiNoX8RvEuSCWYlC D4KTwy//ImC7Xke90FXZCc4ytqNHWflb6iA5tFJae2a7vUkqxt8n6yqjx7wnvQzfVhK0Xq3zP3H mHua0ZgKUoHo/YMO9kMwfwkOCVg== X-Received: by 2002:a17:90b:3852:: with SMTP id nl18mr2829327pjb.9.1634003060507; Mon, 11 Oct 2021 18:44:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwlbuOxtzFHegnIMLUhs4POPvF85B+TNSTe0D0W5qKedOJQ0nmMQPvf79G11R3u3blaCXq0jw== X-Received: by 2002:a17:90b:3852:: with SMTP id nl18mr2829308pjb.9.1634003060166; Mon, 11 Oct 2021 18:44:20 -0700 (PDT) Received: from t490s ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id a22sm9062988pfg.61.2021.10.11.18.44.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Oct 2021 18:44:19 -0700 (PDT) Date: Tue, 12 Oct 2021 09:44:12 +0800 From: Peter Xu To: Yang Shi Cc: HORIGUCHI =?utf-8?B?TkFPWUEo5aCA5Y+jIOebtOS5nyk=?= , Hugh Dickins , "Kirill A. Shutemov" , Matthew Wilcox , Oscar Salvador , Andrew Morton , Linux MM , Linux FS-devel Mailing List , Linux Kernel Mailing List Subject: Re: [v3 PATCH 2/5] mm: filemap: check if THP has hwpoisoned subpage for PMD page fault Message-ID: References: <20210930215311.240774-1-shy828301@gmail.com> <20210930215311.240774-3-shy828301@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Mon, Oct 11, 2021 at 08:55:26PM -0400, Peter Xu wrote: > Another thing is I noticed soft_offline_in_use_page() will still ignore file > backed split. I'm not sure whether it means we'd better also handle that case > as well, so shmem thp can be split there too? Please ignore this paragraph - I somehow read "!PageHuge(page)" as "PageAnon(page)"... So I think patch 5 handles soft offline too. -- Peter Xu