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diff src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp @ 7451:ca0a78017dc7

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8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines Reviewed-by: jmasa, jcoomes
author brutisso
date Sun, 30 Dec 2012 08:47:52 +0100
parents f34d701e952e
children 6f817ce50129
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp	Thu Jan 03 16:28:22 2013 -0800
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/cmsCollectorPolicy.cpp	Sun Dec 30 08:47:52 2012 +0100
@@ -56,7 +56,7 @@
   if (_generations == NULL)
     vm_exit_during_initialization("Unable to allocate gen spec");
 
-  if (ParNewGeneration::in_use()) {
+  if (UseParNewGC) {
     if (UseAdaptiveSizePolicy) {
       _generations[0] = new GenerationSpec(Generation::ASParNew,
                                            _initial_gen0_size, _max_gen0_size);
@@ -96,7 +96,7 @@
 
 void ConcurrentMarkSweepPolicy::initialize_gc_policy_counters() {
   // initialize the policy counters - 2 collectors, 3 generations
-  if (ParNewGeneration::in_use()) {
+  if (UseParNewGC) {
     _gc_policy_counters = new GCPolicyCounters("ParNew:CMS", 2, 3);
   }
   else {
@@ -119,7 +119,7 @@
 
   assert(size_policy() != NULL, "A size policy is required");
   // initialize the policy counters - 2 collectors, 3 generations
-  if (ParNewGeneration::in_use()) {
+  if (UseParNewGC) {
     _gc_policy_counters = new CMSGCAdaptivePolicyCounters("ParNew:CMS", 2, 3,
       size_policy());
   }