When a process opens a file,Windows XP does not move the entire file into main memory. Instead, the system waits to see which portions of the file the process will access. The VMM moves only the accessed pages into main memory and creates PTEs for them.This creates extra overhead whenever the process accesses a new portion of an open file.What would happen if the operating system tried to save
time by creating all PTEs at once?
What will be an ideal response?
If the file is very large, the PTEs could take up all of main memory, leaving no room
for the file.Windows 2000 uses this policy; as a result, at most 200GB of files could be open at
the same time
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Fill in the blank(s) with the appropriate word(s).
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