Also, go through the following article, they have explained things in
a very nice way.
http://kerneltrap.org/node/2450
On 3/21/07, Vivek <[EMAIL PROTECTED]> wrote:
> Why is kernel restricted to use virtual addresses of only 1 GB? Or
> what is the need to split up the virtual address space into user
> addresses and kernel addresses?
We can have 4GB for kernel and 4GB for userspace but this has a overhead
of flushing of tlb for every syscall.
You can also make the split 2/2GB but this has a problem of having less
user address space.
3/1 is a better choice.
--
Vivek Kutal
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Regards,
Sandeep
If the facts don't fit the theory, change the facts.
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