src/hotspot/share/memory/memRegion.hpp

rev 55281 : [mq]: 8225478-cmrootregions-cleanup

*** 30,46 ****
  #include "utilities/globalDefinitions.hpp"
  
  // A very simple data structure representing a contigous region
  // region of address space.
  
! // Note that MemRegions are passed by value, not by reference.
  // The intent is that they remain very small and contain no
  // objects. The copy constructor and destructor must be trivial,
  // to support optimization for pass-by-value.
! // These should never be allocated in heap but we do
! // create MemRegions (in CardTableBarrierSet) in heap so operator
! // new and operator new [] added for this special case.
  
  class MemRegion {
    friend class VMStructs;
  private:
    HeapWord* _start;
--- 30,46 ----
  #include "utilities/globalDefinitions.hpp"
  
  // A very simple data structure representing a contigous region
  // region of address space.
  
! // Note that MemRegions are typically passed by value, not by reference.
  // The intent is that they remain very small and contain no
  // objects. The copy constructor and destructor must be trivial,
  // to support optimization for pass-by-value.
! // These should almost never be allocated in heap but we do
! // create MemRegions (in CardTable and G1CMRootMemRegions) on the heap so operator
! // new and operator new [] were added for these special cases.
  
  class MemRegion {
    friend class VMStructs;
  private:
    HeapWord* _start;