src/share/vm/gc/g1/heapRegionType.hpp

*** 42,72 ****
    // future, we'll have to increase the size of the latter and hence
    // decrease the size of the former.
    //
    // 0000 0 [ 0] Free
    //
!   // 0001 0      Young Mask
    // 0001 0 [ 2] Eden
    // 0001 1 [ 3] Survivor
    //
!   // 0010 0      Humongous Mask
!   // 0010 0 [ 4] Starts Humongous
!   // 0010 1 [ 5] Continues Humongous
    //
!   // 01000 [ 8] Old
    typedef enum {
      FreeTag               = 0,
  
      YoungMask             = 2,
      EdenTag               = YoungMask,
      SurvTag               = YoungMask + 1,
  
      HumongousMask         = 4,
!     StartsHumongousTag    = HumongousMask,
!     ContinuesHumongousTag = HumongousMask + 1,
  
!     OldTag                = 8
    } Tag;
  
    volatile Tag _tag;
  
    static bool is_valid(Tag tag);
--- 42,79 ----
    // future, we'll have to increase the size of the latter and hence
    // decrease the size of the former.
    //
    // 0000 0 [ 0] Free
    //
!   // 0001 0 [ 2] Young Mask
    // 0001 0 [ 2] Eden
    // 0001 1 [ 3] Survivor
    //
!   // 0010 0 [ 4] Humongous Mask
!   // 0100 0 [ 8] Pinned Mask
!   // 0110 0 [12] Starts Humongous
!   // 0110 1 [13] Continues Humongous
    //
!   // 1000 0 [16] Old Mask
!   //
!   // 1100 0 [24] Archive
    typedef enum {
      FreeTag               = 0,
  
      YoungMask             = 2,
      EdenTag               = YoungMask,
      SurvTag               = YoungMask + 1,
  
      HumongousMask         = 4,
!     PinnedMask            = 8,
!     StartsHumongousTag    = HumongousMask | PinnedMask,
!     ContinuesHumongousTag = HumongousMask | PinnedMask + 1,
! 
!     OldMask               = 16,
!     OldTag                = OldMask,
  
!     ArchiveTag            = PinnedMask | OldMask
    } Tag;
  
    volatile Tag _tag;
  
    static bool is_valid(Tag tag);
*** 106,116 ****
  
    bool is_humongous()           const { return (get() & HumongousMask) != 0;   }
    bool is_starts_humongous()    const { return get() == StartsHumongousTag;    }
    bool is_continues_humongous() const { return get() == ContinuesHumongousTag; }
  
!   bool is_old() const { return get() == OldTag; }
  
    // Setters
  
    void set_free() { set(FreeTag); }
  
--- 113,129 ----
  
    bool is_humongous()           const { return (get() & HumongousMask) != 0;   }
    bool is_starts_humongous()    const { return get() == StartsHumongousTag;    }
    bool is_continues_humongous() const { return get() == ContinuesHumongousTag; }
  
!   bool is_archive() const { return get() == ArchiveTag; } 
! 
!   // is_old regions may or may not also be pinned
!   bool is_old() const { return (get() & OldMask) != 0; }
! 
!   // is_pinned regions may be archive or humongous
!   bool is_pinned() const { return (get() & PinnedMask) != 0; }
  
    // Setters
  
    void set_free() { set(FreeTag); }
  
*** 121,130 ****
--- 134,145 ----
    void set_starts_humongous()    { set_from(StartsHumongousTag,    FreeTag); }
    void set_continues_humongous() { set_from(ContinuesHumongousTag, FreeTag); }
  
    void set_old() { set(OldTag); }
  
+   void set_archive() { set_from(ArchiveTag, FreeTag); }
+ 
    // Misc
  
    const char* get_str() const;
    const char* get_short_str() const;