Re: [HACKERS] Re: [QUESTIONS] How to use memory instead of hd?

> > Yes, we could. I don't think we do because we an anon-mapped
> > region is the same as shmem, but if the limit is higher for anon
> > mmap, we could used it.
> On FreeBSD the limit for mmap is basically the amount of swap vs a
> predefined limit when a kernel is built. This was a project I was
> thinking of doing but have not had the time yet. mmap may also be
> faster due to tighter intergration in the kernel. In general it is
> better to avoid all the SYSV IPC calls and use other methods of doing
> the needed operations. Stevens book (either Advanced Unix Programming
> or Unix Network Programming) has a good discussion of the pro/CONS of
> the SYSV IPC interfaces.

OK, mmap added to FAQ.

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