References: syscall.MADV_FREE

const syscall.MADV_FREE_REUSE

one use

	syscall (current package)
		zerrors_darwin_arm64.go#L632: 	MADV_FREE_REUSE                   = 0x8

The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)