kubernetes/vendor/golang.org/x/sys/unix/dev_linux.go

// Major returns the major component of a Linux device number.
func Major(dev uint64) uint32 { … }

// Minor returns the minor component of a Linux device number.
func Minor(dev uint64) uint32 { … }

// Mkdev returns a Linux device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 { … }