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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 091BCC433F5 for ; Tue, 1 Mar 2022 03:59:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbiCAEAc (ORCPT ); Mon, 28 Feb 2022 23:00:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231643AbiCAEAa (ORCPT ); Mon, 28 Feb 2022 23:00:30 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7C88645062 for ; Mon, 28 Feb 2022 19:59:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646107189; 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=Kc+N+qIBFHQOsV5ZDL0yG8r9s2qldX+du39vXBk/zTE=; b=SqLtMwbU7MWDG42LwQgI1nYKhk8jCHa5Devv1TqyhuC1A+SLR7g8+96A5AMA5FtHr58VZp oGgC0fSuTscXHorVR/29e0gmWnZLISSd/UYfwa95el1jVgk04tvhKyKkDegjA1Z96Lodnl tYnHYAGnc5vyp22qYZmAqhubn276Rvk= Received: from mail-pf1-f197.google.com (mail-pf1-f197.google.com [209.85.210.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-664-GyQn8mGfONSTqJ-Wj1pKdQ-1; Mon, 28 Feb 2022 22:59:47 -0500 X-MC-Unique: GyQn8mGfONSTqJ-Wj1pKdQ-1 Received: by mail-pf1-f197.google.com with SMTP id y28-20020aa793dc000000b004e160274e3eso8920317pff.18 for ; Mon, 28 Feb 2022 19:59:47 -0800 (PST) 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=Kc+N+qIBFHQOsV5ZDL0yG8r9s2qldX+du39vXBk/zTE=; b=m55E+PxI170y1oupWjlsUeq0tJ5EpQ6bYci+1AzjAtQCaFVJACDyUee8rPH3i28w2V 7YTYJNi9V4Pb9/YnWDa3X+0axi4vg+sUcBmkDTPy2868lk6n7luje3yJ2okv6jcUplHY le8rDfoe9MWDc7al/2byExfGHiwaR+quASx2Ufn6f9D9i5iHira8kxi4p8kNK5VccxLs 5IEOAIJiP+muHkxGZhSe7nMsCO7YBSdCdSBogcaVxep3ZoemqRJu6GncB6RaUmYlTJwy wCWwgiT0QeRZQyCRYOnXYbwjXibxO429KFoXXrHl7R2Az4K68rPt0n+MS4cvHIKaUT6C MHnQ== X-Gm-Message-State: AOAM530sM8EcHqVQTA+I/YmTBfajJeJtbbe9uDtUmLbe8NGYVF5hH5BM WTLao3IxBdOO7XPq0y5uXJiNCLZVHeikwsRT7r24CoBF0aQcgmeZ8KYjuO+dykva69VuT/wRK+g AfMLueSTj/qpJlTDUwikqftaB X-Received: by 2002:a17:902:8f82:b0:151:5d30:a019 with SMTP id z2-20020a1709028f8200b001515d30a019mr10730793plo.145.1646107186341; Mon, 28 Feb 2022 19:59:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJwbE+FEQtLqQRsJnG0YfHtxsy1ARbqSF6OQ1/QB6BaWcv9noNbWhkppUSvRbmDWW85pILm69Q== X-Received: by 2002:a17:902:8f82:b0:151:5d30:a019 with SMTP id z2-20020a1709028f8200b001515d30a019mr10730772plo.145.1646107186093; Mon, 28 Feb 2022 19:59:46 -0800 (PST) Received: from xz-m1.local ([94.177.118.144]) by smtp.gmail.com with ESMTPSA id a38-20020a056a001d2600b004f0f0f852a4sm15490396pfx.77.2022.02.28.19.59.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Feb 2022 19:59:45 -0800 (PST) Date: Tue, 1 Mar 2022 11:59:38 +0800 From: Peter Xu To: Yun Zhou Cc: akpm@linux-foundation.org, corbet@lwn.net, tiberiu.georgescu@nutanix.com, florian.schmidt@nutanix.com, ivan.teterevkov@nutanix.com, sj@kernel.org, shy828301@gmail.com, david@redhat.com, axelrasmussen@google.com, linmiaohe@huawei.com, aarcange@redhat.com, ccross@google.com, apopple@nvidia.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH] proc: fix documentation and description of mmap Message-ID: References: <20220301032115.384277-1-yun.zhou@windriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220301032115.384277-1-yun.zhou@windriver.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 01, 2022 at 11:21:15AM +0800, Yun Zhou wrote: > diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c > index 78125ef20255..75511f78075f 100644 > --- a/fs/proc/task_mmu.c > +++ b/fs/proc/task_mmu.c > @@ -1596,7 +1596,8 @@ static const struct mm_walk_ops pagemap_ops = { > * Bits 5-54 swap offset if swapped > * Bit 55 pte is soft-dirty (see Documentation/admin-guide/mm/soft-dirty.rst) > * Bit 56 page exclusively mapped > - * Bits 57-60 zero > + * Bit 57 pte is uffd-wp write-protected (since 5.13) (see ^^^^^^^^^^^^^^^^^ remove these? Thanks, -- Peter Xu