Available virtual address space.
可用虚拟地址空间。
That’s it for virtual address space layout.
该图呈现了虚拟地址空间的管理方式。
All it knows about is its own virtual address space.
它只知道自己的虚拟地址空间。
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。
So we can page the virtual address space AND page the page table.
为了能同时对虚拟地址空间和它对应的页表都进行分页。
If you use it, then Lotus Domino has less virtual address space to use.
如果使用它，那么LotusDomino可用的虚拟地址空间就少了。
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。
However, running programs in a virtual address space has an associated cost.
然而，在虚拟地址空间中运行程序也会带来相应的成本。
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 number of page table entries is proportional to the size of virtual address space.
页表的数量与虚拟地址空间的大小成比例。
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？
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？
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