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 62DF5C433F5 for ; Mon, 4 Oct 2021 14:06:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C4EE61216 for ; Mon, 4 Oct 2021 14:06:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233491AbhJDOIi (ORCPT ); Mon, 4 Oct 2021 10:08:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233312AbhJDOIg (ORCPT ); Mon, 4 Oct 2021 10:08:36 -0400 Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51A59C061749 for ; Mon, 4 Oct 2021 07:06:47 -0700 (PDT) Received: by mail-lf1-x134.google.com with SMTP id y23so32858777lfb.0 for ; Mon, 04 Oct 2021 07:06:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=shutemov-name.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=I5iiIUW34DuiTSF34m8K0qNYgofVcVIOCi6xjuMFs7U=; b=3kKfkFlAkxuo4h6f/0sKIcUascSJ1EjVtDaSc8mCz0mj2hiSUImHVOKBixi4ZXJ1Zh nf3oKrJdV0S6Pjxbj5UOnRW+JUK37P29cFNoWpwkY+ELXLvLY3QOPFyCiQplYH+7NyR/ 7KDIsN0v0grmhqRZG0V+albGTp7C+A6aWp7F/Q7Nmv1l3SbrOr/YadY2efvoa0d7RoN3 l9YCobpIhuudY2yGYUZgUxKeH4qrJ5IZ66fthZ2U1uASotK3VM9ZQqVGVkAymap7Vt0v se3xf6LlY331tb9U4q7FskeOEe46Hq3Gc6YXaTeoHVyURSV5iY32K76etywNbvy/qCIv mQUg== 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=I5iiIUW34DuiTSF34m8K0qNYgofVcVIOCi6xjuMFs7U=; b=EZBYer90aOmrDP9z2FRg/6ZmTK818GAmmVz6srB9DoaOfTemuGGXhxY4ryRGFF7Wz9 9wCs0LpXvAlxXCzNKw0tsMWN3iZil0x+lWg9NnyJ0KxKH95UyMo/W0JzmZMwlzv83I6L aWHJzKzKWkOBmjJ9EWkJ8ubfiDi2YqNHkUov4EqxUJ+nwtP+Y9ZOFMqsW+CA4XMtPTU1 E3VTPAfMAC0ystZutvNBNLwdLhSRxewLnNN1Ob6LUJaC1I+VXAd1nVpDVzjuLR1RLpNX yjDg13RNc6M2bmL+1ZsGgWea579SXHcO2rY8N5HErIvT+FIbe0NEbehbbVbUy3AqvJ1X TR4w== X-Gm-Message-State: AOAM531ZTeDUvjzY2pB+MtsR/PWWDLBU3BAkyfy/6avptSU/yS1ewyNP 2kL+RyRh/LHik1P2ClbIly3w7Q== X-Google-Smtp-Source: ABdhPJykedCpqepvR4UG4/lr+U/Wj7wVzLKNTIYtri7nFzzWco7d85ytJzGv0IGm0ILetCdz5mkUEQ== X-Received: by 2002:a19:dc5b:: with SMTP id f27mr15017676lfj.145.1633356399534; Mon, 04 Oct 2021 07:06:39 -0700 (PDT) Received: from box.localdomain ([86.57.175.117]) by smtp.gmail.com with ESMTPSA id v27sm1770788lfp.0.2021.10.04.07.06.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 07:06:38 -0700 (PDT) Received: by box.localdomain (Postfix, from userid 1000) id C563710306D; Mon, 4 Oct 2021 17:06:37 +0300 (+03) Date: Mon, 4 Oct 2021 17:06:37 +0300 From: "Kirill A. Shutemov" To: Yang Shi Cc: 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, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [v3 PATCH 2/5] mm: filemap: check if THP has hwpoisoned subpage for PMD page fault Message-ID: <20211004140637.qejvenbkmrulqdno@box.shutemov.name> References: <20210930215311.240774-1-shy828301@gmail.com> <20210930215311.240774-3-shy828301@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210930215311.240774-3-shy828301@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 30, 2021 at 02:53:08PM -0700, Yang Shi wrote: > diff --git a/mm/filemap.c b/mm/filemap.c > index dae481293b5d..2acc2b977f66 100644 > --- a/mm/filemap.c > +++ b/mm/filemap.c > @@ -3195,12 +3195,12 @@ static bool filemap_map_pmd(struct vm_fault *vmf, struct page *page) > } > > if (pmd_none(*vmf->pmd) && PageTransHuge(page)) { > - vm_fault_t ret = do_set_pmd(vmf, page); > - if (!ret) { > - /* The page is mapped successfully, reference consumed. */ > - unlock_page(page); > - return true; > - } > + vm_fault_t ret = do_set_pmd(vmf, page); > + if (!ret) { > + /* The page is mapped successfully, reference consumed. */ > + unlock_page(page); > + return true; > + } > } > > if (pmd_none(*vmf->pmd)) { Hm. Is it unrelated whitespace fix? -- Kirill A. Shutemov