Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Tue, 1 Mar 2022 11:59:38 +0800
From:   Peter Xu <peterx@redhat.com>
To:     Yun Zhou <yun.zhou@windriver.com>
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: <Yh2aKofkcWsLswQm@xz-m1.local>
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

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