linux-kernel - Re: [PATCH v3] Documentation: Chinese translation of Documentation/arm64/hugetlbpage.rst

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Message-ID: <0fd33cc8-937d-692c-48f6-ae9105b649cb@linux.alibaba.com>
Date:   Wed, 14 Oct 2020 10:33:11 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     Bailu Lin <bailu.lin@...o.com>
Cc:     catalin.marinas@....com, corbet@....net, harryxiyou@...il.com,
        kernel@...o.com, linux-arm-kernel@...ts.infradead.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        will@...nel.org
Subject: Re: [PATCH v3] Documentation: Chinese translation of
 Documentation/arm64/hugetlbpage.rst

Reviewed-by: Alex Shi <alex.shi@...ux.alibaba.com>


在 2020/10/14 上午10:20, Bailu Lin 写道:
> This is a Chinese translated version of
>  Documentation/arm64/hugetlbpage.rst
> 
> Signed-off-by: Bailu Lin <bailu.lin@...o.com>
> ---
> Changes in v3:
>  - Modify a translation as Alex sugguested.
> Changes in v2:
>  - Fix Sphinx 2.4.4's waring by increasing underline' size.
> ---
>  Documentation/arm64/hugetlbpage.rst           |  2 +
>  .../translations/zh_CN/arm64/hugetlbpage.rst  | 45 +++++++++++++++++++
>  .../translations/zh_CN/arm64/index.rst        |  1 +
>  3 files changed, 48 insertions(+)
>  create mode 100644 Documentation/translations/zh_CN/arm64/hugetlbpage.rst
> 
> diff --git a/Documentation/arm64/hugetlbpage.rst b/Documentation/arm64/hugetlbpage.rst
> index b44f939e5210..a110124c11e3 100644
> --- a/Documentation/arm64/hugetlbpage.rst
> +++ b/Documentation/arm64/hugetlbpage.rst
> @@ -1,3 +1,5 @@
> +.. _hugetlbpage_index:
> +
>  ====================
>  HugeTLBpage on ARM64
>  ====================
> diff --git a/Documentation/translations/zh_CN/arm64/hugetlbpage.rst b/Documentation/translations/zh_CN/arm64/hugetlbpage.rst
> new file mode 100644
> index 000000000000..13304d269d0b
> --- /dev/null
> +++ b/Documentation/translations/zh_CN/arm64/hugetlbpage.rst
> @@ -0,0 +1,45 @@
> +.. include:: ../disclaimer-zh_CN.rst
> +
> +:Original: :ref:`Documentation/arm64/hugetlbpage.rst <hugetlbpage_index>`
> +
> +Translator: Bailu Lin <bailu.lin@...o.com>
> +
> +=====================
> +ARM64中的 HugeTLBpage
> +=====================
> +
> +大页依靠有效利用 TLBs 来提高地址翻译的性能。这取决于以下
> +两点 -
> +
> +  - 大页的大小
> +  - TLBs 支持的条目大小
> +
> +ARM64 接口支持2种大页方式。
> +
> +1) pud/pmd 级别的块映射
> +-----------------------
> +
> +这是常规大页，他们的 pmd 或 pud 页面表条目指向一个内存块。
> +不管 TLB 中支持的条目大小如何，块映射可以减少翻译大页地址
> +所需遍历的页表深度。
> +
> +2) 使用连续位
> +-------------
> +
> +架构中转换页表条目(D4.5.3, ARM DDI 0487C.a)中提供一个连续
> +位告诉 MMU 这个条目是一个连续条目集的一员，它可以被缓存在单
> +个 TLB 条目中。
> +
> +在 Linux 中连续位用来增加 pmd 和 pte(最后一级)级别映射的大
> +小。受支持的连续页表条目数量因页面大小和页表级别而异。
> +
> +
> +支持以下大页尺寸配置 -
> +
> +  ====== ========   ====    ========    ===
> +  -      CONT PTE    PMD    CONT PMD    PUD
> +  ====== ========   ====    ========    ===
> +  4K:         64K     2M         32M     1G
> +  16K:         2M    32M          1G
> +  64K:         2M   512M         16G
> +  ====== ========   ====    ========    ===
> diff --git a/Documentation/translations/zh_CN/arm64/index.rst b/Documentation/translations/zh_CN/arm64/index.rst
> index 646ed1f7aea3..e31a6090384d 100644
> --- a/Documentation/translations/zh_CN/arm64/index.rst
> +++ b/Documentation/translations/zh_CN/arm64/index.rst
> @@ -14,3 +14,4 @@ ARM64 架构
>      :maxdepth: 2
>  
>      amu
> +    hugetlbpage
>