kern/161721: [boot] compiling kernel with KVA_PAGES=512 does not allow system to boot

[Alan Cox]

On 11/3/2011 2:43 PM, Коньков Евгений wrote:
> Hi
>
>> Have you ever tried a slightly smaller setting for KVA_PAGES, for example, 508?
>> Remko,
> with this KVA_PAGES it is worked.
>

Ok, that supports the hypothesis that with 512 KVA pages, or 2 GB of 
kernel virtual address space, that a 32-bit integer overflow is 
occurring in the kmem map sizing.  I'll try to take a look at this over 
the weekend.

Alan