RFR: 8217338: [Containers] Improve systemd slice memory limit support

[Bob Vandette]

Sorry for the delay.  The update looks good.

Bob.


> On Mar 25, 2019, at 1:30 PM, Severin Gehwolf <sgehwolf at redhat.com> wrote:
> 
> On Fri, 2019-03-22 at 14:25 -0400, Bob Vandette wrote:
>> Could you maybe combine subsystem_file_contents with subsystem_file_line_contents
>> by adding an additional argument?
> 
> Done: http://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8217338/05/webrev/
> 
> Thanks,
> Severin
>