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Documentation:Update Documentation/zh_CN/arm64/memory.txt
This is a update of Chinese documentation:Documentation/zh_CN/arm64/memory.txt It is based on the modifications of Documentation/arm64/memory.txt in submission: "2475ff9d", "847264fb", "aa4a73a0", "e29a074b". Update maintainer's Email address. Signed-off-by: Fu Wei <wefu@redhat.com> Acked-by: Harry Wei <harryxiyou@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -7,7 +7,7 @@ help. Contact the Chinese maintainer if this translation is outdated
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or if there is a problem with the translation.
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Maintainer: Catalin Marinas <catalin.marinas@arm.com>
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Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
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Chinese maintainer: Fu Wei <wefu@redhat.com>
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---------------------------------------------------------------------
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Documentation/arm64/memory.txt 的中文翻译
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@ -16,9 +16,9 @@ Documentation/arm64/memory.txt 的中文翻译
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译存在问题,请联系中文版维护者。
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英文版维护者: Catalin Marinas <catalin.marinas@arm.com>
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中文版维护者: 傅炜 Fu Wei <tekkamanninja@gmail.com>
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中文版翻译者: 傅炜 Fu Wei <tekkamanninja@gmail.com>
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中文版校译者: 傅炜 Fu Wei <tekkamanninja@gmail.com>
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中文版维护者: 傅炜 Fu Wei <wefu@redhat.com>
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中文版翻译者: 傅炜 Fu Wei <wefu@redhat.com>
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中文版校译者: 傅炜 Fu Wei <wefu@redhat.com>
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以下为正文
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---------------------------------------------------------------------
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@ -41,7 +41,7 @@ AArch64 Linux 使用页大小为 4KB 的 3 级转换表配置,对于用户和
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TTBR1 中,且从不写入 TTBR0。
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AArch64 Linux 内存布局:
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AArch64 Linux 在页大小为 4KB 时的内存布局:
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起始地址 结束地址 大小 用途
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-----------------------------------------------------------------------
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@ -55,15 +55,42 @@ ffffffbc00000000 ffffffbdffffffff 8GB vmemmap
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ffffffbe00000000 ffffffbffbbfffff ~8GB [防护页,未来用于 vmmemap]
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ffffffbffbc00000 ffffffbffbdfffff 2MB earlyprintk 设备
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ffffffbffbe00000 ffffffbffbe0ffff 64KB PCI I/O 空间
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ffffffbbffff0000 ffffffbcffffffff ~2MB [防护页]
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ffffffbffbe10000 ffffffbcffffffff ~2MB [防护页]
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ffffffbffc000000 ffffffbfffffffff 64MB 模块
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ffffffc000000000 ffffffffffffffff 256GB 内核逻辑内存映射
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AArch64 Linux 在页大小为 64KB 时的内存布局:
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起始地址 结束地址 大小 用途
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-----------------------------------------------------------------------
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0000000000000000 000003ffffffffff 4TB 用户空间
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fffffc0000000000 fffffdfbfffeffff ~2TB vmalloc
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fffffdfbffff0000 fffffdfbffffffff 64KB [防护页]
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fffffdfc00000000 fffffdfdffffffff 8GB vmemmap
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fffffdfe00000000 fffffdfffbbfffff ~8GB [防护页,未来用于 vmmemap]
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fffffdfffbc00000 fffffdfffbdfffff 2MB earlyprintk 设备
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fffffdfffbe00000 fffffdfffbe0ffff 64KB PCI I/O 空间
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fffffdfffbe10000 fffffdfffbffffff ~2MB [防护页]
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fffffdfffc000000 fffffdffffffffff 64MB 模块
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fffffe0000000000 ffffffffffffffff 2TB 内核逻辑内存映射
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4KB 页大小的转换表查找:
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+--------+--------+--------+--------+--------+--------+--------+--------+
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@ -91,3 +118,10 @@ ffffffc000000000 ffffffffffffffff 256GB 内核逻辑内存映射
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| | +--------------------------> [41:29] L2 索引 (仅使用 38:29 )
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| +-------------------------------> [47:42] L1 索引 (未使用)
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+-------------------------------------------------> [63] TTBR0/1
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当使用 KVM 时, 管理程序(hypervisor)在 EL2 中通过相对内核虚拟地址的
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一个固定偏移来映射内核页(内核虚拟地址的高 24 位设为零):
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起始地址 结束地址 大小 用途
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-----------------------------------------------------------------------
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0000004000000000 0000007fffffffff 256GB 在 HYP 中映射的内核对象
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