Virtual Memory in the IA-64 Linux Kernel | Search for a title, author or keyword | ||||||||
Virtual Memory in the IA-64 Linux Kernel By Stephane Eranian and David Mosberger, 2002. From IA-64 Linux Kernel: Design and Implementation. Linux processes execute in a virtual environment that makes it appear as if each process had the entire address space of the CPU available to itself. This virtual address space extends from address 0 all the way to the maximum address. On a 32-bit platform, such as IA-32, the maximum address is: 232 - 1 = 0xffffffff On a 64-bit platform, such as IA-64, this is: 264 - 1 = 0xffffffffffffffff While it is obviously convenient for a process to be able to access such a huge address space, there are really three distinct, but equally important, reasons for using virtual memory:
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