Re: Zones and high memory.

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On Tue, 2007-04-17 at 21:54 +0530, Vivek Kutal wrote:

> > It is related in a way, if you have 2G/2G user/kernelspace split, then
> > you can have more physical memory in ZONE_NORMAL, i.e it will be 2GB -
> > 128MB if HIGHMEM enabled. This way the kernel is able to access more
> > physical memory directly (since ZONE_NORMAL is mapped directly), than
> > having to go through the overhead of kmap()/kmap_atomic().
> > 
> yes...but this reduces the size of the user space.
> 
  yes, but this will be the size of user address space, so the u still
have 2GB of virtual address space for every process.... ;)

cheers,
sandeep


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