src/share/vm/memory/genRemSet.hpp

rev 5732 : [mq]: comments2

*** 25,35 ****
  #ifndef SHARE_VM_MEMORY_GENREMSET_HPP
  #define SHARE_VM_MEMORY_GENREMSET_HPP
  
  #include "oops/oop.hpp"
  
! // A GenRemSet provides ways of iterating over pointers accross generations.
  // (This is especially useful for older-to-younger.)
  
  class Generation;
  class BarrierSet;
  class OopsInGenClosure;
--- 25,35 ----
  #ifndef SHARE_VM_MEMORY_GENREMSET_HPP
  #define SHARE_VM_MEMORY_GENREMSET_HPP
  
  #include "oops/oop.hpp"
  
! // A GenRemSet provides ways of iterating over pointers across generations.
  // (This is especially useful for older-to-younger.)
  
  class Generation;
  class BarrierSet;
  class OopsInGenClosure;
*** 63,73 ****
  
    virtual Name rs_kind() = 0;
  
    // These are for dynamic downcasts.  Unfortunately that it names the
    // possible subtypes (but not that they are subtypes!)  Return NULL if
!   // the cast is invalide.
    virtual CardTableRS* as_CardTableRS() { return NULL; }
  
    // Return the barrier set associated with "this."
    BarrierSet* bs() { return _bs; }
  
--- 63,73 ----
  
    virtual Name rs_kind() = 0;
  
    // These are for dynamic downcasts.  Unfortunately that it names the
    // possible subtypes (but not that they are subtypes!)  Return NULL if
!   // the cast is invalid.
    virtual CardTableRS* as_CardTableRS() { return NULL; }
  
    // Return the barrier set associated with "this."
    BarrierSet* bs() { return _bs; }
  
*** 104,114 ****
  
    // If the rem set imposes any alignment restrictions on boundaries
    // within the heap, this function tells whether they are met.
    virtual bool is_aligned(HeapWord* addr) = 0;
  
!   // If the RS (or BS) imposes an aligment constraint on maximum heap size.
    // (This must be static, and dispatch on "nm", because it is called
    // before an RS is created.)
    static uintx max_alignment_constraint(Name nm);
  
    virtual void verify() = 0;
--- 104,114 ----
  
    // If the rem set imposes any alignment restrictions on boundaries
    // within the heap, this function tells whether they are met.
    virtual bool is_aligned(HeapWord* addr) = 0;
  
!   // If the RS (or BS) imposes an alignment constraint on maximum heap size.
    // (This must be static, and dispatch on "nm", because it is called
    // before an RS is created.)
    static uintx max_alignment_constraint(Name nm);
  
    virtual void verify() = 0;