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

rev 49945 : imported patch 8191471-g1-varying-tlab-allocation
rev 49949 : imported patch 8191471-tschatzl-comments-open
rev 49950 : [mq]: 8191471-pliden-comments

*** 1144,1158 ****
      return _young_gen->unsafe_max_tlab_alloc();
    }
    return 0;
  }
  
! HeapWord* GenCollectedHeap::allocate_new_tlab(size_t size) {
    bool gc_overhead_limit_was_exceeded;
!   return mem_allocate_work(size /* size */,
                             true /* is_tlab */,
                             &gc_overhead_limit_was_exceeded);
  }
  
  // Requires "*prev_ptr" to be non-NULL.  Deletes and a block of minimal size
  // from the list headed by "*prev_ptr".
  static ScratchBlock *removeSmallestScratch(ScratchBlock **prev_ptr) {
--- 1144,1165 ----
      return _young_gen->unsafe_max_tlab_alloc();
    }
    return 0;
  }
  
! HeapWord* GenCollectedHeap::allocate_new_tlab(size_t min_size,
!                                               size_t requested_size,
!                                               size_t* actual_size) {
    bool gc_overhead_limit_was_exceeded;
!   HeapWord* result = mem_allocate_work(requested_size /* size */,
                                         true /* is_tlab */,
                                         &gc_overhead_limit_was_exceeded);
+   if (result != NULL) {
+     *actual_size = requested_size;
+   }
+ 
+   return result;
  }
  
  // Requires "*prev_ptr" to be non-NULL.  Deletes and a block of minimal size
  // from the list headed by "*prev_ptr".
  static ScratchBlock *removeSmallestScratch(ScratchBlock **prev_ptr) {