Installer fails with "out of swap space" when installing ZFS-on-root with less then 4 GB mem (10.0-RC4)

[Mark Martinec]

> I was playing with bhyve on 10.0-RC4, trying to install another 
> 10.0-RC4 into
> a 16 GB ZFS volume using the network installation DVD. Mostly kept 
> defaults,
> except that I chose a ZFS-on-root installation.
> The amd64 host was given 1 GB of RAM on the first attempt

typo:  s/host/guest/

The guest was given 1, 2 or 4 GB of mem.
The host had plenty of RAM.

   Mark