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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-24 03:13:53 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-10-24 03:13:53 +0300 |
commit | c80e42a4963b3f593d53fb8f565e5bbca61a6531 (patch) | |
tree | 63327ed70e63459b6f9b5899dc14c5b35ad54823 /Documentation/translations/zh_CN/arm64 | |
parent | a5e5c274c920f693d9c1ab65440d8e53a4530aca (diff) | |
parent | 62af696471e58bdfcf416fd56f032a60853c2bae (diff) | |
download | linux-c80e42a4963b3f593d53fb8f565e5bbca61a6531.tar.xz |
Merge tag 'docs-5.10-2' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"A handful of late-arriving documentation fixes"
* tag 'docs-5.10-2' of git://git.lwn.net/linux:
docs: Add two missing entries in vm sysctl index
docs/vm: trivial fixes to several spelling mistakes
docs: submitting-patches: describe preserving review/test tags
Documentation: Chinese translation of Documentation/arm64/hugetlbpage.rst
Documentation: x86: fix a missing word in x86_64/mm.rst.
docs: driver-api: remove a duplicated index entry
docs: lkdtm: Modernize and improve details
docs: deprecated.rst: Expand str*cpy() replacement notes
docs/cpu-load: format the example code.
Diffstat (limited to 'Documentation/translations/zh_CN/arm64')
-rw-r--r-- | Documentation/translations/zh_CN/arm64/hugetlbpage.rst | 45 | ||||
-rw-r--r-- | Documentation/translations/zh_CN/arm64/index.rst | 1 |
2 files changed, 46 insertions, 0 deletions
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 |