For 32-bit kernels, there are 4gb virtual address Spaces.
对32 -位内核而言，有4gb虚地址空间。
32-bit Pointers can address only 4gb of virtual address space.
位指针只能寻址4gb的虚拟地址空间。
Similarly, typing the name of a symbol returns its virtual address.
同样，输入符号名则返回其虚拟地址。
Thus a portion of the virtual address space must be reserved to the kernel.
也就是说，操作系统内核将保留一部分虚拟地址空间。
This mechanism is often referred to as virtual memory and virtual address Spaces.
该机制通常称为虚拟内存和虚拟地址空间。
The output begins by showing an index into the virtual address space for the process
输出中首先给出进程虚拟地址空间的索引
The virtual address space is used for a number of different items in the process such as.
虚拟地址空间用于存放进程中的一些项目，例如。
On other platforms, you need to use the operating system imposed virtual address space size.
在其他平台上，需要使用操作系统决定的虚拟地址空间大小。
Address: In hexadecimal format, relative to the start of the process's virtual address space.
address：十六进制格式，相对于进程虚拟地址空间起始位置的偏移量。
For a variety of reasons, most modern operating systems run programs in virtual address space.
由于各种各样的原因，大多数现代操作系统都是在虚拟地址空间中运行程序的。
TLB is the cache holding the mapping information from the virtual address to the physical page in memory.
TLB缓存包含从虚拟地址到内存中物理页面的映射信息。
Shared memory allows multiple processes to map a portion of their virtual address to a common memory region.
共享内存允许多个进程将它们的部分虚地址映射到一个公用的内存区域。
In the example above, Firefox has used far more of its virtual address space due to its legendary memory hunger.
在这个例子中，Firefox惊人的内存需求让它使用的虚拟地址远远超过了其自身的地址空间。
A DMA request always involves moving data between the SPE local store and a virtual address space on the PPE side.
dma请求通常会涉及数据在SPE本地存储与ppe端虚拟地址空间之间进行移动。
Currently, Linux on POWER allows 4gb for the kernel and up to 4gb virtual address space for user applications.
当前，POWER上的Linux允许内核使用4gb虚地址空间，允许用户应用程序使用最多4gb虚地址空间。
The hypervisor converts a virtual address to a system-wide physical address using the global partition page tables.
Hypervisor使用全局分区页表将虚拟地址转换为系统范围的物理地址。
How does kernel know, which pages in the virtual address space correspond to a swapped out physical page frame?
如何知道哪些页面的内核，在虚拟地址空间对应于一个换出的物理页帧？
Instead, they use segmentation, so that an application's virtual address space is divided into variable-length segments.
相反，他们使用的分割，使应用程序的虚拟地址空间分为可变长度部分。
Regions in a process's virtual address space can be mapped to physical memory, to a file, or to any other addressable storage.
进程的虚拟地址空间中的区域可被映射到物理内存、文件或任何其他可寻址存储。
When address translation is turned on, the VMM requests the hypervisor to convert a virtual address to a correct logical address.
当开启地址转换时，VMM将请求Hypervisor将虚拟地址转换为正确的逻辑地址。
For every page mapped by each process, page-table entries must also be created to map the virtual address to the physical address.
由于每个页都要由每个进程映射，必须创建页表条目来将虚拟地址映射到物理地址。
This display is similar to PrcView, but it shows only the committed memory in the virtual address space, not the reserved memory.
显示的内容和PrcView类似，但是它仅仅显示了虚拟空间中的提交内存，而没有保留内存。
The VirtualQueryEx function provides information about a range of pages within the virtual address space of a specified process.
该函数提供了指定进程的虚拟地址空间的一定页面范围内的信息。
A DSI occurs whenever a reference is made to a virtual address that is not currently loaded in physical memory (this is a page fault).
如果对当前不在物理内存中加载的虚拟地址进行引用(这是一个页面错误)，则会出现DSI错误。
Every time a memory location is addressed for program instructions or data, a virtual address is translated into a physical or real memory address.
每次为程序指令或数据处理内存位置时，都需要将虚拟地址转换成物理(或实际)内存地址。
Every time a memory location is addressed for program instructions or data, a virtual address is translated into a physical or real memory address.
每次为程序指令或数据处理内存位置时，都需要将虚拟地址转换成物理(或实际)内存地址。
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