Re: [HACKERS] mmap and MAP_ANON

Hannu Krosing wrote:
> 
> ocie@paracel.com wrote:
> > 
> > Bruce Momjian wrote:
> > >
> > > Would people tell me what platforms do NOT support the MAP_ANON flag to
> > > the mmap() system call?  You should find it in the mmap() manual page.
> > 
> > Doesn't seem to appear in Linux (2.0.30 kernel).  As another poster
> > commented, /dev/zero can be mapped for anonymous memory.
> 
> although 'man mmap' does not say it, it is present in sys/mman.h on 
> linux (at least 2.0.33)

It appears there, but using it causes mmap to return EINVAL.

Ocie