Bulk buils space requirements

[Siju George]

On Fri, Oct 22, 2010 at 11:23 AM, Matthew Dillon
<dillon at apollo.backplane.com> wrote:
>
>
>    If you are going to use tmpfs then configure at least 16G of
>    swap space.  Up to 32G of swap can be configured with a default
>    i386 kernel (and up to 512G for a x86-64 kernel by default).
>

64-bit Installer gave error saying only 8GB of swap can be configured  :-(
How do I configure more? after install? so should I leave free space
on my disk for that?

thanks

--Siju