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*** 220,229 **** --- 220,230 ---- HeapRegion* next_region_in_heap(const HeapRegion* r) const; // Apply blk->doHeapRegion() on all committed regions in address order, // terminating the iteration early if doHeapRegion() returns true. void iterate(HeapRegionClosure* blk) const; + void iterate_range(HeapRegionClosure* blk, uint start, uint end) const; void par_iterate(HeapRegionClosure* blk, uint worker_id, uint no_of_par_workers, jint claim_value) const; // Uncommit up to num_regions_to_remove regions that are completely free. // Return the actual number of uncommitted regions.