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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 073D9C433E0 for ; Wed, 3 Mar 2021 11:27:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD8D460238 for ; Wed, 3 Mar 2021 11:27:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357824AbhCCLYc (ORCPT ); Wed, 3 Mar 2021 06:24:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244788AbhCCCq5 (ORCPT ); Tue, 2 Mar 2021 21:46:57 -0500 Received: from mail-lj1-x234.google.com (mail-lj1-x234.google.com [IPv6:2a00:1450:4864:20::234]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D62C5C061793 for ; Tue, 2 Mar 2021 18:46:08 -0800 (PST) Received: by mail-lj1-x234.google.com with SMTP id e2so19500462ljo.7 for ; Tue, 02 Mar 2021 18:46:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=PlAt31SpIg8w5ZqFFQBggiEL5ACV+/LKER4FjGh9+/s=; b=P5C+z30lvIe7LfJvguY5pepEjmeAtyVqyzNYuqvoJxVQ7MvSOVo+RjJi7UUaeC16QR LA4v/h3O7YbLbvcPYMXLRGjOSr1tPwiaO6ezb9Yh0cF82Svvw/5xrHN7sQsc3EPlvX2z HC6XWZJ6PCGabd9JJxSpUrnCF/Q4eB2gZS5rY= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=PlAt31SpIg8w5ZqFFQBggiEL5ACV+/LKER4FjGh9+/s=; b=LqwlPtBtuCeGVkA0V9TO7bgxbHrv6g8tTzSCMBKfP0fRsUBLNghElSTa8FpsIv6LT5 Ic85e0UTWXYiiUVSAkeH6XaQ4Sp39Umfa4aUlqaT3c+6nx9/Z4j41k/ADowsrcqGZsVe nX7SktLpSRlQv+ZakmXxqeY9H3hPbXi551QKHe+lQ5oEmUr9Y43kh9c+ZDTo8uCiUu5F i7oP+3h/U7iYmJEargK1rOCm243bDCcbLigHG+YbCscyx2xnPg3GBCOItr+7ifK7dIyv 7zF3BtptYCq2ELcLQ0z+TuWUjk4qhYloGPTk+qf9IFDDdUHU5AiTv/Gpie5PYOeDrPZA DPdQ== X-Gm-Message-State: AOAM533tYCFV4rpgyj3EQxkld6HfgUCBSGUzusjeUGS1wsX/GgAtyRh0 iM1VvM+Fb144u50sEYMC/+FU96SeDcwbFg== X-Google-Smtp-Source: ABdhPJyrwH+kIhTQ0yHeY34fignClZ+b+SqKBT+n3ZHg4V7x51sIRQUFecbGCMdtSpYYAVhfROuN2w== X-Received: by 2002:a2e:a583:: with SMTP id m3mr4560322ljp.133.1614739566844; Tue, 02 Mar 2021 18:46:06 -0800 (PST) Received: from mail-lj1-f169.google.com (mail-lj1-f169.google.com. [209.85.208.169]) by smtp.gmail.com with ESMTPSA id v129sm315631lfa.43.2021.03.02.18.46.05 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Mar 2021 18:46:05 -0800 (PST) Received: by mail-lj1-f169.google.com with SMTP id k12so17668101ljg.9 for ; Tue, 02 Mar 2021 18:46:05 -0800 (PST) X-Received: by 2002:a05:651c:3c1:: with SMTP id f1mr12804554ljp.507.1614739564909; Tue, 02 Mar 2021 18:46:04 -0800 (PST) MIME-Version: 1.0 References: <20210217233547.93892-1-peterx@redhat.com> <20210301141151.GA397383@xz-x1> <20210301162846.c1f684a5662d37bbec3f1892@linux-foundation.org> <20210303014655.GS397383@xz-x1> In-Reply-To: <20210303014655.GS397383@xz-x1> From: Linus Torvalds Date: Tue, 2 Mar 2021 18:45:49 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v5 0/5] mm/hugetlb: Early cow on fork, and a few cleanups To: Peter Xu Cc: Andrew Morton , Linux-MM , Linux Kernel Mailing List , Gal Pressman , Matthew Wilcox , Wei Zhang , Mike Kravetz , Mike Rapoport , Christoph Hellwig , David Gibson , Jason Gunthorpe , Jann Horn , Kirill Tkhai , Kirill Shutemov , Miaohe Lin , Andrea Arcangeli , Jan Kara Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 2, 2021 at 5:47 PM Peter Xu wrote: > > As Jason and Wei pointed out, I think some userspace still got corrupted data > without this series when using hugetlb backend. I don't think it'll suite for > a late RC release but it'll still be great if it can be considered as an early > rc candidate, ideally rc1 of course. If you prefer the other way, I can also > repost it before 5.13 merge window opens. I think with my merge window delay issue, you guys have the perfect excuse for pushing it a bit late and it still hitting 5.12 Linus