Re: Memory Management - BSD vs Linux

Darren Reed (darrenr@cyber.com.au)
Mon, 11 Aug 1997 20:38:23 +1000 (EST)


In some mail I received from Theodore Y. Ts'o, sie wrote
>
> [3] Can any of these systems have
> a) swap files rather than partitions
> b) dynamically growing swap space?
> As far as I can make out, the answeris no!
>
> Linux can swap to files (multiple files if necessary), and there is a
> user-mode daemon that can allow you to dyanmically grow swap space (by
> allocating a new file).

NetBSD has swapfiles and does not require a daemon to be running for more
to be added. NetBSD has also since moved on from just swap(2) to having
swapctl(2) which supports things like swap files/partitions with different
priorities and a replacement program for swapon - swapctl(8).

Darren