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hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp
changeset 30867 1c87147477bd
parent 30764 fec48bf5a827
child 30868 c1b24f26deed 
--- a/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp	Wed May 20 10:45:40 2015 +0200
+++ b/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp	Thu May 21 09:10:47 2015 +0200
@@ -609,7 +609,7 @@
   // Only process code roots from thread stacks if we aren't visiting the entire CodeCache anyway
   CodeBlobClosure* roots_from_code_p = (so & SO_AllCodeCache) ? NULL : code_roots;
 
-  bool is_par = n_par_threads() > 0;
+  bool is_par = n_par_threads() > 1;
   Threads::possibly_parallel_oops_do(is_par, strong_roots, roots_from_clds_p, roots_from_code_p);
 
   if (!_process_strong_tasks->is_task_claimed(GCH_PS_Universe_oops_do)) {
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