>>>>> On Tue, 13 Jul 1999 10:11:14 -0400 (EDT),
"Brian F. Feldman" <gr...@freebsd.org> said:
>> > you also have to consider a program wishing to make sparse use
>> > of its address space, without overcommit it becomes impossible.
>>
>> SVR4 has MAP_NORESERVE option for mmap(2) for this.
>> So, default behaivour don't have to be overcommitment.
> Isn't that just like mmap()ing then mlock()ing the range? That would
> keep it in core.
No.
MAP_NORESERVE is nothing related to page wiring (i.e. mlock()ing).
