Re: Running out of memory in 1 easy step

[Andi Kleen <ak@muc.de>]

On Thu, Sep 14, 2000 at 03:00:20PM +0200, Wichert Akkerman wrote:
> 
> I have a small test program that consistently can't allocate more
> memory using mmap after 458878 allocations, no matter how much memory
> I allocate per call (tried with 8, 80, 800 and 4000 bytes per call):
> mmap returns ENOMEM. The machine has plenty memory available (2Gb
> and no other processes are running except standard daemons) so there
> should be enough memory.

There is a hardwired limit of 1024 vmas/process. This is to avoid denial
of service attacks with attackers using up all memory with vmas.

-Andi
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