src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp

rev 49650 : 8201326: Renaming ThreadLocalAllocationBuffer end to current_end
Summary: Rename the TLAB end field to a better name
Contributed-by: jcbeyler@google.com

*** 106,133 ****
  // Fills the current tlab with a dummy filler array to create
  // an illusion of a contiguous Eden and optionally retires the tlab.
  // Waste accounting should be done in caller as appropriate; see,
  // for example, clear_before_allocation().
  void ThreadLocalAllocBuffer::make_parsable(bool retire, bool zap) {
!   if (end() != NULL) {
      invariants();
  
      if (retire) {
        myThread()->incr_allocated_bytes(used_bytes());
      }
  
!     CollectedHeap::fill_with_object(top(), hard_end(), retire && zap);
  
      if (retire || ZeroTLAB) {  // "Reset" the TLAB
        set_start(NULL);
        set_top(NULL);
        set_pf_top(NULL);
!       set_end(NULL);
      }
    }
    assert(!(retire || ZeroTLAB)  ||
!          (start() == NULL && end() == NULL && top() == NULL),
           "TLAB must be reset");
  }
  
  void ThreadLocalAllocBuffer::resize_all_tlabs() {
    if (ResizeTLAB) {
--- 106,133 ----
  // Fills the current tlab with a dummy filler array to create
  // an illusion of a contiguous Eden and optionally retires the tlab.
  // Waste accounting should be done in caller as appropriate; see,
  // for example, clear_before_allocation().
  void ThreadLocalAllocBuffer::make_parsable(bool retire, bool zap) {
!   if (current_end() != NULL) {
      invariants();
  
      if (retire) {
        myThread()->incr_allocated_bytes(used_bytes());
      }
  
!     CollectedHeap::fill_with_object(top(), reserved_end(), retire && zap);
  
      if (retire || ZeroTLAB) {  // "Reset" the TLAB
        set_start(NULL);
        set_top(NULL);
        set_pf_top(NULL);
!       set_current_end(NULL);
      }
    }
    assert(!(retire || ZeroTLAB)  ||
!          (start() == NULL && current_end() == NULL && top() == NULL),
           "TLAB must be reset");
  }
  
  void ThreadLocalAllocBuffer::resize_all_tlabs() {
    if (ResizeTLAB) {
*** 181,191 ****
                                          HeapWord* top,
                                          HeapWord* end) {
    set_start(start);
    set_top(top);
    set_pf_top(top);
!   set_end(end);
    invariants();
  }
  
  void ThreadLocalAllocBuffer::initialize() {
    initialize(NULL,                    // start
--- 181,191 ----
                                          HeapWord* top,
                                          HeapWord* end) {
    set_start(start);
    set_top(top);
    set_pf_top(top);
!   set_current_end(end);
    invariants();
  }
  
  void ThreadLocalAllocBuffer::initialize() {
    initialize(NULL,                    // start