Wednesday, October 13, 2010

why 4GB process Address Space ?

In 32 bit platform the the range of addresses are 0-(2^32-1)
i.e 0x00000000 to 0xFFFFFFFF

0xFFFFFFFF is nothing but 4GB
Each process can address 4GB of address space which is a virtual address space.
Out of which 1GB will be allocated for kernel use and rest 3GB is for user space use. Pin It
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