var runtime.maxOffAddr

4 uses

	runtime (current package)
		mpagealloc.go#L101: func maxSearchAddr() offAddr { return maxOffAddr }
		mpagealloc.go#L632: 			return maxOffAddr
		mpagealloc.go#L702: 		bound: maxOffAddr,
		mranges.go#L117: 	maxOffAddr = offAddr{(((1 << heapAddrBits) - 1) + arenaBaseOffset) & uintptrMask}