December 2004
Intermediate to advanced
976 pages
33h 33m
English
book
Microsoft® Windows® Internals: Microsoft Windows Server™ 2003, Windows XP, and Windows 2000, 4th Edition
by Mark E. Russinovich, David A. Solomon
Content preview from Microsoft® Windows® Internals: Microsoft Windows Server™ 2003, Windows XP, and Windows 2000, 4th Edition
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Cache Virtual Memory Management
Because the Windows system cache manager caches data on a virtual basis, it is given a region of system virtual address spaces to manage (instead of a region of physical memory). The cache manager then divides each address space region into 256-KB slots called views, as shown in Figure 11-2. (For a detailed description of the layout of system space, see Chapter 7.)
Figure 11-2. System cache address space
At a file's first I/O (read or write) operation, the cache manager maps a 256-KB view of the 256-KB-aligned region of the file that contains the requested data into a free slot in the system cache address space. For ...
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