Compiling Swap space

[RW]

On Tue, 27 Feb 2018 08:09:19 +0000
Steve O'Hara-Smith wrote:

> On 27 Feb 2018 00:23:46 -0500
> "John Levine" <johnl at iecc.com> wrote:

> > You can also use mdconfig to make an md device backed by a file and
> > swap on that.  That's slower than a swap partition since it has to  
> 
> 	You don't need mdconfig, just make a large file and use
> swapon like this:
> 
> # dd if=/dev/zero of=swapfile bs=1m count=1024
> # swapon swapfile


I tried that and got:

  # swapon swapfile
  swapon: swapfile: Block device required

The word "Block" is presumably out of date, but it does seem to be
saying a device is needed. This was on 11.1.