Contigmalloc regression seen on latest 7.x and 8.x branches

[Alan Cox]

Scott Long wrote:
> Alan Cox wrote:
>>
>> After looking at r159130 and the comments in the code, I don't think 
>> it would be appropriate to remove the printf()s.  However, the logic 
>> that determines whether printf() is called is flawed.  I believe that 
>> the attached patch should eliminate the incorrect printf()s that you 
>> are seeing.
>>
>
> If this fixes the Hans' problem, then I'm quite happy with it going into
> the tree.  There another pending busdma fix that I need to handle, so I
> can shepherd this one in at the same time if you'd like.

It's all yours.  Thanks,
Alan