Re: Highmem Bigmem question

Albert D. Cahalan (acahalan@cs.uml.edu)
Sat, 2 Jun 2001 01:48:35 -0400 (EDT)


jlnance@intrex.net writes:

> This is probably an FAQ, but I read the FAQ and its not in there.

Odd.

> I have a machine with 2G of memory. I compiled the kernel with the
> 4G memory option. How much address space should each process be
> able to address?

3 GB for user stuff, or 3.5 GB with a patch

> Does this change if I use the 64G option?

No. Don't do that.

> I'm after 2.4 information. Right now I am running on a 2.2 kernel
> and it looks like the user processes are limited to ~1G.

This is not a kernel problem. Try a libc upgrade, or use some
other way to allocate memory. At least sbrk() and mmap() can
be used.
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