On Thu, Oct 25, 2007 at 16:46:26 +0200, Jiri Kosina wrote:
> On Thu, 25 Oct 2007, Arjan van de Ven wrote:
> > > Would be neat if randomized brk and setrlimit(RLIMIT_DATA, ...)
> > > worked in a predictable way:
> > this isn't a valid case afaics; even on "traditional x86" (before we
> > changed the address space layout, or even today if you have an unlimited
> > stack rlimit) this isn't going to work. applications really shouldn't
> > use (s)brk() but malloc(); you have to be able to fall back to mmap
> > regardless of what you do.
> I tend to agree here with Arjan. However it probably would make no harm to
> make at least a little bit consisten behavior of setrlimit(), though it
> has a little use in such cases.
> Sami, does the patch below work for you?
Thanks, Jiri, now RLIMIT_DATA works as expected.
Using only RLIMIT_AS to limit processes' memory usage is not
very easy. It includes also libraries mapped read-only,
I have to check/modify the limits when I update/add
Amazingly, I found a patch which seems to be just what I need:
Seems like that is not going to -mm or mainstream...
Do what you love because life is too short for anything else.
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