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authorHu Haowen <src.res@email.cn>2021-08-21 17:40:57 +0800
committerJonathan Corbet <corbet@lwn.net>2021-08-24 13:36:59 -0600
commite5cb9494fe799f7358554d5b66568ac16e305499 (patch)
treeede889285b74c14381ea4e626ab3e3bc40ca9fc3 /Documentation/translations/zh_TW/arm64/hugetlbpage.rst
parent8137a49e1567726eb10fcf55ad141ac19804ca6b (diff)
downloadlinux-e5cb9494fe799f7358554d5b66568ac16e305499.tar.bz2
docs/zh_TW: add translations for zh_TW/arm64
Create new translations for zh_TW/arm64 and link them to index. Signed-off-by: Hu Haowen <src.res@email.cn> Link: https://lore.kernel.org/r/20210821094059.64300-1-src.res@email.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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+.. SPDX-License-Identifier: GPL-2.0
+
+.. include:: ../disclaimer-zh_TW.rst
+
+:Original: :ref:`Documentation/arm64/hugetlbpage.rst <hugetlbpage_index>`
+
+Translator: Bailu Lin <bailu.lin@vivo.com>
+ Hu Haowen <src.res@email.cn>
+
+=====================
+ARM64中的 HugeTLBpage
+=====================
+
+大頁依靠有效利用 TLBs 來提高地址翻譯的性能。這取決於以下
+兩點 -
+
+ - 大頁的大小
+ - TLBs 支持的條目大小
+
+ARM64 接口支持2種大頁方式。
+
+1) pud/pmd 級別的塊映射
+-----------------------
+
+這是常規大頁,他們的 pmd 或 pud 頁面表條目指向一個內存塊。
+不管 TLB 中支持的條目大小如何,塊映射可以減少翻譯大頁地址
+所需遍歷的頁表深度。
+
+2) 使用連續位
+-------------
+
+架構中轉換頁表條目(D4.5.3, ARM DDI 0487C.a)中提供一個連續
+位告訴 MMU 這個條目是一個連續條目集的一員,它可以被緩存在單
+個 TLB 條目中。
+
+在 Linux 中連續位用來增加 pmd 和 pte(最後一級)級別映射的大
+小。受支持的連續頁表條目數量因頁面大小和頁表級別而異。
+
+
+支持以下大頁尺寸配置 -
+
+ ====== ======== ==== ======== ===
+ - CONT PTE PMD CONT PMD PUD
+ ====== ======== ==== ======== ===
+ 4K: 64K 2M 32M 1G
+ 16K: 2M 32M 1G
+ 64K: 2M 512M 16G
+ ====== ======== ==== ======== ===
+