klog.InfoS("Swap is on", "/proc/swaps contents", procSwapsStr)
	return len(procSwapsLines) > 1
}

// IsSwapOn detects whether swap in enabled on the system by inspecting
// /proc/swaps. If the file does not exist, an os.NotFound error will be returned.
// If running on windows, swap is assumed to always be false.
func IsSwapOn() (bool, error) {
	isSwapOnHelper := func() (bool, error) {
		if sysruntime.GOOS == "windows" {

	subsystems, err := GetCgroupSubsystems()
	if err != nil {
		return nil, fmt.Errorf("failed to get mounted cgroup subsystems: %v", err)
	}

	isSwapOn, err := swap.IsSwapOn()
	if err != nil {
		return nil, fmt.Errorf("failed to determine if swap is on: %w", err)
	}

	if isSwapOn {
		if failSwapOn {
			return nil, fmt.Errorf("running with swap on is not supported, please disable swap or set --fail-swap-on flag to false")
		}