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Re: non random mmap



Hi,

Basile STARYNKEVITCH wrote:
> 
> I have an AMD64x2 4400 using Debian/Sid/AMD64 
> I have a self built  2.6.16.18 kernel.
> 
> I want to have the mmap system call behaving predictably and in a
> reproducable manner (because I am debugging a copying garbage collector).

The best way to do so it to execute the following command:
echo 0 > /proc/sys/kernel/randomize_va_space

It will disable the ASLR (Address-Space Layout Randomization).
Then the layout of the memory will behave deterministically.

Regards
-- 
Emmanuel Fleury              | Office: 211
Associate Professor,         | Phone: +33 (0)5 40 00 35 24
LaBRI, Domaine Universitaire | Fax:   +33 (0)5 40 00 66 69
351, Cours de la Libération  | email: fleury@labri.fr
33405 Talence Cedex, France  | URL: http://www.labri.fr/~fleury



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