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diff src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp @ 1166:7b0e9cba0307

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6896647: card marks can be deferred too long Summary: Deferred card marks are now flushed during the gc prologue. Parallel[Scavege,OldGC] and SerialGC no longer defer card marks generated by COMPILER2 as a result of ReduceInitialCardMarks. For these cases, introduced a diagnostic option to defer the card marks, only for the purposes of testing and diagnostics. CMS and G1 continue to defer card marks. Potential performance concern related to single-threaded flushing of deferred card marks in the gc prologue will be addressed in the future. Reviewed-by: never, johnc
author ysr
date Wed, 13 Jan 2010 15:26:39 -0800
parents 44f61c24ddab
children 6484c4ee11cb
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Tue Jan 12 14:56:46 2010 -0800
+++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Wed Jan 13 15:26:39 2010 -0800
@@ -1441,6 +1441,7 @@
 }
 
 jint G1CollectedHeap::initialize() {
+  CollectedHeap::pre_initialize();
   os::enable_vtime();
 
   // Necessary to satisfy locking discipline assertions.