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src/share/vm/gc_implementation/g1/concurrentMark.cpp

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rev 7191 : 8058354: SPECjvm2008-Derby -2.7% performance regression on Solaris-X64 starting with 9-b29
Summary: Allow use of large pages for auxiliary data structures in G1. Clean up existing interfaces.
Reviewed-by: jmasa, pliden, stefank

@@ -112,11 +112,11 @@
 void CMBitMapRO::print_on_error(outputStream* st, const char* prefix) const {
   _bm.print_on_error(st, prefix);
 }
 
 size_t CMBitMap::compute_size(size_t heap_size) {
-  return heap_size / mark_distance();
+  return ReservedSpace::allocation_align_size_up(heap_size / mark_distance());
 }
 
 size_t CMBitMap::mark_distance() {
   return MinObjAlignmentInBytes * BitsPerByte;
 }
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