mirror of
https://github.com/torvalds/linux.git
synced 2024-12-28 22:02:28 +00:00
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>
This commit is contained in:
parent
d7a4c55b13
commit
e0533dee52
@ -1,3 +1,5 @@
|
||||
.. _hugetlbpage_index:
|
||||
|
||||
====================
|
||||
HugeTLBpage on ARM64
|
||||
====================
|
||||
|
45
Documentation/translations/zh_CN/arm64/hugetlbpage.rst
Normal file
45
Documentation/translations/zh_CN/arm64/hugetlbpage.rst
Normal file
@ -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
|
||||
====== ======== ==== ======== ===
|
@ -14,3 +14,4 @@ ARM64 架构
|
||||
:maxdepth: 2
|
||||
|
||||
amu
|
||||
hugetlbpage
|
||||
|
Loading…
Reference in New Issue
Block a user