diff options
| author | Binbin Zhou <zhoubinbin@loongson.cn> | 2022-06-08 19:08:21 +0800 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2022-06-27 16:24:39 -0600 |
| commit | f41c74af10583fa440deed2713488176e7efa8b7 (patch) | |
| tree | d8d0471e56a9410f8e4cde241d64a3827bbf5bd4 | |
| parent | 1a5b8aa25f153318efecc1fb5b9048a748f49ef2 (diff) | |
| download | linux-f41c74af10583fa440deed2713488176e7efa8b7.tar.gz | |
docs/zh_CN: riscv: Update the translation of vm-layout.rst to 5.19-rc1
Synchronous translation from upstream commit 9d19f2b5256e
("Documentation: riscv: Add sv48 description to VM layout")
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/10cd6a241a0266d1d19ee5f0b2177d7d14d17ed2.1654685338.git.zhoubinbin@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | Documentation/translations/zh_CN/riscv/vm-layout.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/translations/zh_CN/riscv/vm-layout.rst b/Documentation/translations/zh_CN/riscv/vm-layout.rst index 585cb89317a3..91884e2dfff8 100644 --- a/Documentation/translations/zh_CN/riscv/vm-layout.rst +++ b/Documentation/translations/zh_CN/riscv/vm-layout.rst @@ -6,6 +6,7 @@ :翻译: 司延腾 Yanteng Si <siyanteng@loongson.cn> + Binbin Zhou <zhoubinbin@loongson.cn> ============================ RISC-V Linux上的虚拟内存布局 @@ -65,3 +66,39 @@ RISC-V Linux Kernel SV39 ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | modules, BPF ffffffff80000000 | -2 GB | ffffffffffffffff | 2 GB | kernel __________________|____________|__________________|_________|____________________________________________________________ + + +RISC-V Linux Kernel SV48 +------------------------ + +:: + + ======================================================================================================================== + 开始地址 | 偏移 | 结束地址 | 大小 | 虚拟内存区域描述 + ======================================================================================================================== + | | | | + 0000000000000000 | 0 | 00007fffffffffff | 128 TB | 用户空间虚拟内存，每个内存管理器不同 + __________________|____________|__________________|_________|___________________________________________________________ + | | | | + 0000800000000000 | +128 TB | ffff7fffffffffff | ~16M TB | ... 巨大的、几乎64位宽的直到内核映射的-128TB地方 + | | | | 开始偏移的非经典虚拟内存地址空洞。 + | | | | + __________________|____________|__________________|_________|___________________________________________________________ + | + | 内核空间的虚拟内存，在所有进程之间共享: + ____________________________________________________________|___________________________________________________________ + | | | | + ffff8d7ffee00000 | -114.5 TB | ffff8d7ffeffffff | 2 MB | fixmap + ffff8d7fff000000 | -114.5 TB | ffff8d7fffffffff | 16 MB | PCI io + ffff8d8000000000 | -114.5 TB | ffff8f7fffffffff | 2 TB | vmemmap + ffff8f8000000000 | -112.5 TB | ffffaf7fffffffff | 32 TB | vmalloc/ioremap space + ffffaf8000000000 | -80.5 TB | ffffef7fffffffff | 64 TB | 直接映射所有物理内存 + ffffef8000000000 | -16.5 TB | fffffffeffffffff | 16.5 TB | kasan + __________________|____________|__________________|_________|____________________________________________________________ + | + | 从此处开始，与39-bit布局相同： + ____________________________________________________________|____________________________________________________________ + | | | | + ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | modules, BPF + ffffffff80000000 | -2 GB | ffffffffffffffff | 2 GB | kernel + __________________|____________|__________________|_________|____________________________________________________________ |