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diff src/share/vm/memory/universe.cpp @ 6736:11fb740ce98f

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7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size Summary: Don't allocate huge class metaspace size by default on x64 Reviewed-by: stefank, jmasa, kvn
author coleenp
date Fri, 07 Sep 2012 16:42:25 -0400
parents aed758eda82a
children 2a48c84f1d04
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--- a/src/share/vm/memory/universe.cpp	Fri Sep 07 12:04:16 2012 -0400
+++ b/src/share/vm/memory/universe.cpp	Fri Sep 07 16:42:25 2012 -0400
@@ -858,7 +858,7 @@
 ReservedSpace Universe::reserve_heap(size_t heap_size, size_t alignment) {
   // Add in the class metaspace area so the classes in the headers can
   // be compressed the same as instances.
-  size_t total_reserved = heap_size + ClassMetaspaceSize;
+  size_t total_reserved = align_size_up(heap_size + ClassMetaspaceSize, alignment);
   char* addr = Universe::preferred_heap_base(total_reserved, Universe::UnscaledNarrowOop);
 
   ReservedHeapSpace total_rs(total_reserved, alignment, UseLargePages, addr);