new file mode 100644

@@ -0,0 +1 @@

+SysInfo stores information about which features a kernel supports.

@@ -9,6 +9,7 @@ import (

 	"github.com/docker/libcontainer/cgroups"

 )

+// SysInfo stores information about which features a kernel supports.

 type SysInfo struct {

 	MemoryLimit            bool

 	SwapLimit              bool

@@ -16,6 +17,7 @@ type SysInfo struct {

 	AppArmor               bool

 }

+// Returns a new SysInfo, using the filesystem to detect which features the kernel supports.

 func New(quiet bool) *SysInfo {

 	sysInfo := &SysInfo{}

 	if cgroupMemoryMountpoint, err := cgroups.FindCgroupMountpoint("memory"); err != nil {

@@ -37,7 +39,7 @@ func New(quiet bool) *SysInfo {

 		}

 	}

-	// Check if AppArmor seems to be enabled on this system.

+	// Check if AppArmor is supported

 	if _, err := os.Stat("/sys/kernel/security/apparmor"); os.IsNotExist(err) {

 		sysInfo.AppArmor = false

 	} else {