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SubjectRe: free_initrd_mem() corrups mm state on m68knommu.
Hi Lennart,

Lennart Sorensen wrote:
> On Thu, Sep 17, 2009 at 05:34:37PM +1000, Greg Ungerer wrote:
>> Hi Lennart,
>>
>> Lennart Sorensen wrote:
>>> On Tue, Sep 15, 2009 at 05:49:59PM -0400, Lennart Sorensen wrote:
...
>>> OK, seems the issue was that setup.c wasn't flagging the initrd memory
>>> range as 'reserve_bootmem' which caused extra memory to be forced into
>>> the mm state when it was later freed. I guess one has to be very careful
>>> with what patches one finds lying around the internet (in this case the
>>> uboot bootargs patch for m68knommu that we found somewhere).
>>>
>>> Seems to work great now, and I finally made sense of how the bootmem
>>> map is passed and what is going where. It all makes sense now.
>> Can you send a patch for it?
>> I can push it to mainline of it looks reasonable.
>
> Well it's a patch ontop of another patch that isn't in mainline.
> The other patch is one that adds support for uboot passing kernel command
> line arguments. Want that one too? We find it to be rather useful.

Sure, send them both.

Regards
Greg



------------------------------------------------------------------------
Greg Ungerer -- Principal Engineer EMAIL: gerg@snapgear.com
SnapGear Group, McAfee PHONE: +61 7 3435 2888
825 Stanley St, FAX: +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com

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