238     MemoryChunk* containing_chunk = NULL;  in ExemptPopularPages()  local
240       containing_chunk = previous_chunk;  in ExemptPopularPages()
242       containing_chunk = MemoryChunk::FromAnyPointerAddress(addr);  in ExemptPopularPages()
244     int old_counter = containing_chunk->store_buffer_counter();  in ExemptPopularPages()
246       containing_chunk->set_scan_on_scavenge(true);  in ExemptPopularPages()
249     containing_chunk->set_store_buffer_counter(old_counter + 1);  in ExemptPopularPages()
250     previous_chunk = containing_chunk;  in ExemptPopularPages()
264     MemoryChunk* containing_chunk = NULL;  in Filter()  local
266       containing_chunk = previous_chunk;  in Filter()
268       containing_chunk = MemoryChunk::FromAnyPointerAddress(addr);  in Filter()
269       previous_chunk = containing_chunk;  in Filter()
271     if (!containing_chunk->IsFlagSet(flag)) {  in Filter()