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Message-ID: <52E79F25.9060902@redhat.com> Date: Tue, 28 Jan 2014 20:14:29 +0800 From: Fu Wei <wefu@...hat.com> To: Harry Wei <harryxiyou@...il.com> CC: Greg Kroah Hartman <gregkh@...uxfoundation.org>, LKML <linux-kernel@...r.kernel.org>, Linux Doc ML <linux-doc@...r.kernel.org>, Catalin Marinas <catalin.marinas@....com>, Fu Wei <tekkamanninja@...il.com>, Mark Salter <msalter@...hat.com> Subject: [PATCH]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@...hat.com> --- diff --git a/Documentation/zh_CN/arm64/memory.txt b/Documentation/zh_CN/arm64/memory.txt index a5f6283..a782704 100644 --- a/Documentation/zh_CN/arm64/memory.txt +++ b/Documentation/zh_CN/arm64/memory.txt @@ -7,7 +7,7 @@ help. Contact the Chinese maintainer if this translation is outdated or if there is a problem with the translation. Maintainer: Catalin Marinas <catalin.marinas@....com> -Chinese maintainer: Fu Wei <tekkamanninja@...il.com> +Chinese maintainer: Fu Wei <wefu@...hat.com> --------------------------------------------------------------------- Documentation/arm64/memory.txt 的中文翻译 @@ -16,9 +16,9 @@ Documentation/arm64/memory.txt 的中文翻译 译存在问题，请联系中文版维护者。 英文版维护者： Catalin Marinas <catalin.marinas@....com> -中文版维护者： 傅炜 Fu Wei <tekkamanninja@...il.com> -中文版翻译者： 傅炜 Fu Wei <tekkamanninja@...il.com> -中文版校译者： 傅炜 Fu Wei <tekkamanninja@...il.com> +中文版维护者： 傅炜 Fu Wei <wefu@...hat.com> +中文版翻译者： 傅炜 Fu Wei <wefu@...hat.com> +中文版校译者： 傅炜 Fu Wei <wefu@...hat.com> 以下为正文 --------------------------------------------------------------------- @@ -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 TTBR1 中，且从不写入 TTBR0。 -AArch64 Linux 内存布局： +AArch64 Linux 在页大小为 4KB 时的内存布局： 起始地址 结束地址 大小 用途 ----------------------------------------------------------------------- @@ -55,15 +55,42 @@ ffffffbc00000000 ffffffbdffffffff 8GB vmemmap ffffffbe00000000 ffffffbffbbfffff ~8GB [防护页，未来用于 vmmemap] +ffffffbffbc00000 ffffffbffbdfffff 2MB earlyprintk 设备 + ffffffbffbe00000 ffffffbffbe0ffff 64KB PCI I/O 空间 -ffffffbbffff0000 ffffffbcffffffff ~2MB [防护页] +ffffffbffbe10000 ffffffbcffffffff ~2MB [防护页] ffffffbffc000000 ffffffbfffffffff 64MB 模块 ffffffc000000000 ffffffffffffffff 256GB 内核逻辑内存映射 +AArch64 Linux 在页大小为 64KB 时的内存布局： + +起始地址 结束地址 大小 用途 +----------------------------------------------------------------------- +0000000000000000 000003ffffffffff 4TB 用户空间 + +fffffc0000000000 fffffdfbfffeffff ~2TB vmalloc + +fffffdfbffff0000 fffffdfbffffffff 64KB [防护页] + +fffffdfc00000000 fffffdfdffffffff 8GB vmemmap + +fffffdfe00000000 fffffdfffbbfffff ~8GB [防护页，未来用于 vmmemap] + +fffffdfffbc00000 fffffdfffbdfffff 2MB earlyprintk 设备 + +fffffdfffbe00000 fffffdfffbe0ffff 64KB PCI I/O 空间 + +fffffdfffbe10000 fffffdfffbffffff ~2MB [防护页] + +fffffdfffc000000 fffffdffffffffff 64MB 模块 + +fffffe0000000000 ffffffffffffffff 2TB 内核逻辑内存映射 + + 4KB 页大小的转换表查找： +--------+--------+--------+--------+--------+--------+--------+--------+ @@ -91,3 +118,10 @@ ffffffc000000000 ffffffffffffffff 256GB 内核逻辑内存映射 | | +--------------------------> [41:29] L2 索引 (仅使用 38:29 ) | +-------------------------------> [47:42] L1 索引 (未使用) +-------------------------------------------------> [63] TTBR0/1 + +当使用 KVM 时, 管理程序（hypervisor）在 EL2 中通过相对内核虚拟地址的 +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）: + +起始地址 结束地址 大小 用途 +----------------------------------------------------------------------- +0000004000000000 0000007fffffffff 256GB 在 HYP 中映射的内核对象 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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