Is there a command to load all swap into the memory?

Bill Moran wmoran at
Tue Feb 23 20:33:16 UTC 2010

In response to Yuri <yuri at>:

> I am asking out of curiosity.
> 'top' describes the memory state on my machine like this:
> Mem: 1085M Active, 196M Inact, 301M Wired, 36M Cache, 112M Buf, 1366M Free
> Swap: 16G Total, 757M Used, 16G Free, 4% Inuse
> There is enough space in memory to load back all swap. Is there a 
> command to do that for all swap?
> This will speed up immediate system response in the future.

You could use swapoff, then swapon to readd the device.

Bill Moran

More information about the freebsd-questions mailing list