Mercurial > hg > truffle

diff src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp @ 17935:7384f6a12fc1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8038212: Method::is_valid_method() check has performance regression impact for stackwalking Summary: Only prune metaspace virtual spaces at safepoint so walking them is safe outside a safepoint. Reviewed-by: mgerdin, mgronlun, hseigel, stefank
author coleenp
date Thu, 15 May 2014 18:23:26 -0400
parents 9fdaa79b0c27
children 78bbf4d43a14
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu May 15 09:25:27 2014 -0400
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/concurrentMarkSweepGeneration.cpp	Thu May 15 18:23:26 2014 -0400
@@ -6363,7 +6363,9 @@
   verify_overflow_empty();
 
   if (should_unload_classes()) {
-    ClassLoaderDataGraph::purge();
+    // Delay purge to the beginning of the next safepoint.  Metaspace::contains
+    // requires that the virtual spaces are stable and not deleted.
+    ClassLoaderDataGraph::set_should_purge(true);
   }
 
   _intra_sweep_timer.stop();