[PATCH 3/3] docs/zh_CN: riscv: Update the translation of vm-layout.rst to 5.19-rc1

[Binbin Zhou <zhoubinbin@xxxxxxxxxxx>]

Synchronous translation from upstream commit 9d19f2b5256e
("Documentation: riscv: Add sv48 description to VM layout")

Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
---
 .../translations/zh_CN/riscv/vm-layout.rst    | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

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@xxxxxxxxxxx>
+        Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
 
 ============================
 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
+  __________________|____________|__________________|_________|____________________________________________________________
-- 
2.20.1