RFR (S) 8208677: Move inner metaspace cleaning out of class unloading

[coleen.phillimore at oracle.com]

On 8/8/18 12:27 PM, Harold David Seigel wrote:
> Hi Coleen,
>
> This change looks good.
> Any particular reason for changing the logging level from Debug to Trace?

I changed it to Trace because there was a lot of noise creating CLDs 
because of Unsafe_defineAnonymousClass.

Thanks Harold.
Coleen

>
> Thanks, Harold
>
> On 8/6/2018 2:47 PM, coleen.phillimore at oracle.com wrote:
>> Summary: move to safepoint cleanup actions to do if needed.
>>
>> This is in support of concurrent class unloading.   See bug 
>> description for more details.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8208677.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8208677
>>
>> Ran mach5 hs-tier1-5, with no failures on Friday.  hs-tier1,2 with 
>> expected failures today.
>>
>> The test/hotspot/jtreg/runtime/RedefineRunningMethods.java and 
>> RedefineLeak.java test this code.  Fixed and verified with logging in 
>> the first test.
>>
>> thanks,
>> Coleen
>