1*cf84ac9aSAndroid Build Coastguard WorkerSWAP_FLAG_PREFER 0x8000
2*cf84ac9aSAndroid Build Coastguard WorkerSWAP_FLAG_DISCARD 0x10000
3*cf84ac9aSAndroid Build Coastguard WorkerSWAP_FLAG_DISCARD_ONCE 0x20000
4*cf84ac9aSAndroid Build Coastguard WorkerSWAP_FLAG_DISCARD_PAGES 0x40000
5