[LTP] [PATCH 1/2] swapon01: Test on all filesystems

[Cyril Hrubis]

Hi!
> > > For the previous iteration of this patch Li wasn't sure if this adds
> > > enough value since there isn't ton of filesystem specific code involved
> > > unless we actually start writing to the swapfile.
> 
> I wonder how to force. We could setup
> 
> sysctl vm.swappiness=100
> 
> But how to consume enough RAM to be actually written?

One way is put the process into a cgroup with fairly small RAM limit and
then allocate and fault memory, getting this right is not that easy
though.

-- 
Cyril Hrubis
chrubis@suse.cz