src/hotspot/share/gc/z/zPage.inline.hpp

rev 55577 : JDK-8227226: segmented clearing of arrays for ZGC

Periodic checks based on chunk size during clearing of arrays for safepoint.  Make the allocation safe (pinned) and clear (good) during the iterations.

*** 144,154 ****
  
    return _numa_id;
  }
  
  inline bool ZPage::is_allocating() const {
!   return _seqnum == ZGlobalSeqNum;
  }
  
  inline bool ZPage::is_relocatable() const {
    return _seqnum < ZGlobalSeqNum;
  }
--- 144,162 ----
  
    return _numa_id;
  }
  
  inline bool ZPage::is_allocating() const {
!   return _seqnum >= ZGlobalSeqNum;
! }
! 
! inline void ZPage::pin_allocating() {
!   _seqnum = (uint32_t)-1;
! }
! 
! inline void ZPage::unpin_allocating() {
!   _seqnum = ZGlobalSeqNum;
  }
  
  inline bool ZPage::is_relocatable() const {
    return _seqnum < ZGlobalSeqNum;
  }