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操作系统真实的虚拟内存是什么样的(二:Windows下内存限制)

2012-12-01 06:42 429 查看
在继续整理这份笔记之前，我们先列一下Windows各发行版所支持物理内存的最大限制：

1. 内存和地址空间限制

Memory typeLimit in on X86Limit in 64-bit Windows
32位进程用户态的虚拟地址空间
2 GB
Up to 3 GB with IMAGE_FILE_LARGE_ADDRESS_AWARE and 4GT
2 GB with IMAGE_FILE_LARGE_ADDRESS_AWARE cleared (default)
4 GB with IMAGE_FILE_LARGE_ADDRESS_AWARE set
64位进用户态的虚拟地址空
N/A

With IMAGE_FILE_LARGE_ADDRESS_AWARE set (default):
x64: 8 TBIntel Itanium-based systems: 7 TB2 GB with IMAGE_FILE_LARGE_ADDRESS_AWARE cleared
核心态虚拟地址空间
2 GB
From 1 GB to a maximum of 2 GB with 4GT
8 TB
页池
Limited by available kernel-mode virtual address space or the PagedPoolLimit registry key value.
Windows Vista: Limited by available kernel-mode virtual address space. Starting with Windows Vista with Service Pack 1 (SP1), the paged pool can also be limited by the PagedPoolLimit registry key value.Windows Home Server and Windows Server 2003: 530 MBWindows XP: 490 MB		128 GB
Windows Server 2003 and Windows XP: Up to 128 GB depending on configuration and RAM.
非页池

Limited by available kernel-mode virtual address space, the NonPagedPoolLimit registry key value, or physical memory.
Windows Vista: Limited only by kernel mode virtual address space and physical memory. Starting with Windows Vista with SP1, the nonpaged pool can also be limited by the NonPagedPoolLimit registry key value.Windows Home Server, Windows Server 2003, and Windows XP: 256 MB, or 128 MB with 4GT.		75% of RAM up to a maximum of 128 GB
Windows Vista: 40% of RAM up to a maximum of 128 GB.Windows Server 2003 and Windows XP: Up to 128 GB depending on configuration and RAM.
System cache virtual address space (physical size limited only by physical memory)
Limited by available kernel-mode virtual address space or the SystemCacheLimit registry key value.
Windows Vista: Limited only by kernel mode virtual address space. Starting with Windows Vista with SP1, system cache virtual address space can also be limited by the SystemCacheLimit registry key value.Windows Home Server, Windows Server 2003, and Windows XP: 860 MB with LargeSystemCache registry key set and without 4GT; up to 448 MB with 4GT.		Always 1 TB regardless of physical RAM
Windows Server 2003 and Windows XP: Up to 1 TB depending on configuration and RAM.


2. 物理内存的限制

2.1 Windows 8

VersionLimit on X86Limit on X64
Windows 8 Enterprise4 GB
512 GB
Windows 8 Professional4 GB
512 GB
Windows 84 GB
128 GB

2.2 Windows Server 2012

VersionLimit on X64
Windows Server 2012 Datacenter4 TB
Windows Server 2012 Standard4 TB
Windows Server 2012 Essentials64 GB
Windows Server 2012 Foundation32 GB
Windows Storage Server 2012 Workgroup32 GB
Windows Storage Server 2012 Standard4 TB
Hyper-V Server 20124 TB

2.3 Windows 7:

VersionLimit on X86Limit on X64
Windows 7 Ultimate4 GB
192 GB
Windows 7 Enterprise4 GB
192 GB
Windows 7 Professional4 GB
192 GB
Windows 7 Home Premium4 GB
16 GB
Windows 7 Home Basic4 GB
8 GB
Windows 7 Starter2 GB
N/A

2.4 Windows Server 2008 R2

VersionLimit on X64Limit on IA64
Windows Server 2008 R2 Datacenter2 TB
Windows Server 2008 R2 Enterprise2 TB
Windows Server 2008 R2 for Itanium-Based Systems2 TB
Windows Server 2008 R2 Foundation8 GB
Windows Server 2008 R2 Standard32 GB
Windows HPC Server 2008 R2128 GB
Windows Web Server 2008 R232 GB

2.5 Windows Server 2008

VersionLimit on X86Limit on X64Limit on IA64
Windows Server 2008 Datacenter64 GB
1 TB
Windows Server 2008 Enterprise64 GB
1 TB
Windows Server 2008 HPC Edition128 GB
Windows Server 2008 Standard4 GB
32 GB
Windows Server 2008 for Itanium-Based Systems2 TB
Windows Small Business Server 20084 GB
32 GB
Windows Web Server 20084 GB
32 GB

2.6 Windows Vista

VersionLimit on X86Limit on X64
Windows Vista Ultimate4 GB
128 GB
Windows Vista Enterprise4 GB
128 GB
Windows Vista Business4 GB
128 GB
Windows Vista Home Premium4 GB
16 GB
Windows Vista Home Basic4 GB
8 GB
Windows Vista Starter1 GB

2.7 Windows Home Server

Windows Home Server 只有32位版本，最大物理内存4G

2.8 Windows Server 2003 R2

VersionLimit on X86Limit on X64
Windows Server 2003 R2 Datacenter Edition
64 GB
(16 GB with 4GT)
1 TB
Windows Server 2003 R2 Enterprise Edition
64 GB
(16 GB with 4GT)
1 TB
Windows Server 2003 R2 Standard Edition
4 GB
32 GB

2.9 Windows Server 2003 with Service Pack 2 (SP2)

VersionLimit on X86Limit on X64Limit on IA64
Windows Server 2003 with Service Pack 2 (SP2), Datacenter Edition
64 GB
(16 GB with 4GT)
1 TB
2 TB
Windows Server 2003 with Service Pack 2 (SP2), Enterprise Edition
64 GB
(16 GB with 4GT)
1 TB
2 TB
Windows Server 2003 with Service Pack 2 (SP2), Standard Edition
4 GB
32 GB


2.10 Windows Server 2003 with Service Pack 1 (SP1)

VersionLimit on X86Limit on X64Limit on IA64
Windows Server 2003 with Service Pack 1 (SP1), Datacenter Edition
64 GB
(16 GB with 4GT)
X64 1 TB
1 TB
Windows Server 2003 with Service Pack 1 (SP1), Enterprise Edition
64 GB
(16 GB with 4GT)
X64 1 TB
1 TB
Windows Server 2003 with Service Pack 1 (SP1), Standard Edition
4 GB
32 GB

2.11 Windows Server 2003

VersionLimit on X86Limit on IA64
Windows Server 2003, Datacenter Edition
64 GB
(16 GB with 4GT)
512 GB
Windows Server 2003, Enterprise Edition
64 GB
(16 GB with 4GT)
512 GB
Windows Server 2003, Standard Edition
4 GB
Windows Server 2003, Web Edition
2 GB
Windows Small Business Server 2003
4 GB
Windows Compute Cluster Server 2003
32 GB
Windows Storage Server 2003, Enterprise Edition
8 GB
Windows Storage Server 2003
4 GB

2.12 Windows XP

ersionLimit on X86Limit on X64Limit on IA64
Windows XP4 GB
128 GB
128 GB (not supported)
Windows XP Starter Edition512 MB
N/A
N/A

2.13 Windows Embedded

VersionLimit on X86Limit on X64
Windows XP Embedded
4 GB
Windows Embedded Standard 2009
4 GB
Windows Embedded Standard 7
4 GB
192 GB
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