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

coleen.phillimore at oracle.com coleen.phillimore at oracle.com
Mon Aug 6 18:47:16 UTC 2018

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.


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