src/share/vm/gc_implementation/g1/heapRegion.cpp

*** 320,352 ****
      }
    }
    return false;
  }
  
- HeapWord* HeapRegion::next_block_start_careful(HeapWord* addr) {
-   HeapWord* low = addr;
-   HeapWord* high = end();
-   while (low < high) {
-     size_t diff = pointer_delta(high, low);
-     // Must add one below to bias toward the high amount.  Otherwise, if
-   // "high" were at the desired value, and "low" were one less, we
-     // would not converge on "high".  This is not symmetric, because
-     // we set "high" to a block start, which might be the right one,
-     // which we don't do for "low".
-     HeapWord* middle = low + (diff+1)/2;
-     if (middle == high) return high;
-     HeapWord* mid_bs = block_start_careful(middle);
-     if (mid_bs < addr) {
-       low = middle;
-     } else {
-       high = mid_bs;
-     }
-   }
-   assert(low == high && low >= addr, "Didn't work.");
-   return low;
- }
- 
  HeapRegion::HeapRegion(uint hrs_index,
                         G1BlockOffsetSharedArray* sharedOffsetArray,
                         MemRegion mr) :
      G1OffsetTableContigSpace(sharedOffsetArray, mr),
      _hrs_index(hrs_index),
--- 320,329 ----