Re: [BUG] get_unmapped_area() change -> non booting machine

[Benjamin Herrenschmidt]

> One option is to mark the brk() VMA's as being grow-up (which they are), 
> and make get_unmapped_area() realize that it should avoid trying to 
> allocate just above grow-up segments or just below grow-down segments. 
> That's still something of a special case, but at least it's not "magic" 
> any more, now it's more of a "makes sense".

Though we need a way to represent TASK_UNMAPPED_BASE, no ? (as the
limit above which it's ok). 

Ben.


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