Re: doubt about ZONE_HIMEM

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On Mon, 2007-04-09 at 10:38 +0300, Tzahi Fadida wrote:
> Hi,
> Please CMIIW.
> On 32bit systems:
> Regarding ZONE_HIMEM which is 128MB virtual memory in size.
> With kmap you can address using this 128MB of virtual memory

The upper 128MB is not just used for kmap.....that place is reserved for
vmalloc + kmap + fixed virtual address mapping.

The window to map high memory using kmap is only 2MB.

--
Vivek Kutal



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