RFR(xxs): 8185034: Cleanup and consolidate Metaspace coding

[coleen.phillimore at oracle.com]

This looks good to me.  Thank you for all the metaspace cleanups and for 
looking at the logging in detail.
Coleen


On 5/5/18 3:58 PM, Thomas Stüfe wrote:
> Hi all,
>
> May I get reviews please?
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8185034
> Webrev: http://cr.openjdk.java.net/~stuefe/webrevs/8185034-cleanup-and-consolidate-metaspace-coding/webrev.00/webrev/
>
> Despite the title this item is quite unexciting.
>
> Most of the cleanups originally targeted by this item did already
> happen as part of other enhancements
> (https://bugs.openjdk.java.net/browse/JDK-8199430,
> https://bugs.openjdk.java.net/browse/JDK-8202638).
>
> What is left are some smallish cleanups:
> - removed some functions which were unused
> - small changes to ~SpaceManager to avoid logging the same info twice
> (chunk manager state)
> - removed all LogStream::cr() calls which were needed because
> ~LogStream() did not autoflush; but  8202303 did fix that, so the cr()
> can go.
>
> Note that there are more things one could clean up, which may happen
> in the future. Especially the split-up of metaspace.cpp, which is
> still open (https://bugs.openjdk.java.net/browse/JDK-8176808). But for
> now I would like to close this particular issue.
>
> Thanks!
>
> ..Thomas