svn commit: r243631 - in head/sys: kern sys

[Oleksandr Tymoshenko]

On 12/7/2012 1:53 AM, Andre Oppermann wrote:
> On 07.12.2012 10:36, Oleksandr Tymoshenko wrote:
>>
>> On 2012-11-27, at 1:19 PM, Andre Oppermann <andre at freebsd.org> wrote:
>>
>>> Author: andre
>>> Date: Tue Nov 27 21:19:58 2012
>>> New Revision: 243631
>>> URL: http://svnweb.freebsd.org/changeset/base/243631
>>>
.. skipped ..
>> Andre,
>>
>> these changes along with r243631 break booting ARM kernels on devices 
>> with 1Gb of memory:
>>
>> vm_thread_new: kstack allocation failed
>> panic: kproc_create() failed with 12
>> KDB: enter: panic
>>
>> If I manually set amount of memory to 512Mb it boots fine.
>> If you need help debugging this issue or testing possible fixes, I'll 
>> be glad to help
>
> What is the kmem layout/setup of ARM?  If it is like i386 then maybe
> the parameters VM_MAX_KERNEL_ADDRESS and VM_MIN_KERNEL_ADDRESS are not
> correctly set up and the available kmem is assumed to be larger than
> it really is.
>

VM_MIN_KERNEL_ADDRESS == 0xc0000000
VM_MAX_KERNEL_ADDRESS == 0xffffffff

The problem goes away if I copy VM_MAX_AUTOTUNE_MAXUSERS and
VM_MAX_AUTOTUNE_NMBCLUSTERS lines from i386/include/vmparam.h

Alfred, should these lines be defined for all 32-bit architectures?