Subject: Re: Replacement for grep(1) (part 2)
To: Noriyuki Soda <firstname.lastname@example.org>
From: Brian F. Feldman <green@FreeBSD.org>
Date: 07/13/1999 10:11:14
On Tue, 13 Jul 1999, Noriyuki Soda wrote:
> > You're browsing with netscape and It hits about 32megs in size,
> > you click on a multimedia object and netscape execs a helper app.
> If the system has real vfork(2) like NetBSD, this is not problem.
> > 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.
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