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| author | Bailu Lin <bailu.lin@vivo.com> | 2020-10-13 19:20:03 -0700 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2020-10-21 15:15:17 -0600 |
| commit | e0533dee522593c25a88b63bf730b2096f6d4122 (patch) | |
| tree | 276510fd5962c301436479c20e5f8bbb36dbdacf /Documentation | |
| parent | d7a4c55b1376962a32708def0930ec5a72ba1578 (diff) | |
| download | linux-e0533dee522593c25a88b63bf730b2096f6d4122.tar.bz2 | |
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@vivo.com>
Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>
Link: https://lore.kernel.org/r/20201014022003.43862-1-bailu.lin@vivo.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arm64/hugetlbpage.rst | 2 | ||||
| -rw-r--r-- | Documentation/translations/zh_CN/arm64/hugetlbpage.rst | 45 | ||||
| -rw-r--r-- | Documentation/translations/zh_CN/arm64/index.rst | 1 |
3 files changed, 48 insertions, 0 deletions
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@vivo.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 |