On Fri, May 9, 2014 at 7:05 AM, Kirill A. Shutemov
<kirill.shutemov@xxxxxxxxxxxxxxx> wrote:
>
> Hm. I'm confused here. Do we have any limit forced per-user?
Sure we do. See "struct user_struct". We limit max number of
processes, open files, signals etc.
> I only see things like rlimits which are copied from parrent.
> Is it what you want?
No, rlimits are per process (although in some cases what they limit
are counted per user despite the _limits_ of those resources then
being settable per thread).
So I was just thinking that if we raise the per-mm default limits,
maybe we should add a global per-user limit to make it harder for a
user to use tons and toms of vma's.
Linus
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