Re: Patch 4/6 randomize the stack pointer

[Arjan van de Ven]

> I feel the need to point something out here.
> 
> [TEXT][BRK][MMAP---------------][STACK]
> 
> Here's a normal layout.
> 
> [TEXT][BRK][MMAP-------][STACK][MMAP--]
> 
> Is this one any worse?

yes.

oracle, db2 and similar like to mmap 2Gb or more *in one chunk*.
moving the stack in the middle means the biggest chunk they can mmap
shrinks. 


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