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

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Message-Id: <20201014022003.43862-1-bailu.lin@vivo.com>
Date:   Tue, 13 Oct 2020 19:20:03 -0700
From:   Bailu Lin <bailu.lin@...o.com>
To:     alex.shi@...ux.alibaba.com
Cc:     bailu.lin@...o.com, 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: [PATCH v3] Documentation: Chinese translation of  Documentation/arm64/hugetlbpage.rst

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
-- 
2.20.1