Fix golint warning for pkg/util/procfs/procfs_linux.go

Signed-off-by: Guangwen Feng <[email protected]>

Author: Guangwen Feng

pkg/util/procfs/procfs_linux.go

@@ -36,8 +36,10 @@ import (
 	"k8s.io/klog"
 )
 
+// ProcFS provides a helper for getting container name via pid.
 type ProcFS struct{}
 
+// NewProcFS returns a ProcFS object.
 func NewProcFS() ProcFSInterface {
 	return &ProcFS{}
 }
@@ -53,7 +55,7 @@ func containerNameFromProcCgroup(content string) (string, error) {
 	return "", fmt.Errorf("could not find devices cgroup location")
 }
 
-// getFullContainerName gets the container name given the root process id of the container.
+// GetFullContainerName gets the container name given the root process id of the container.
 // E.g. if the devices cgroup for the container is stored in /sys/fs/cgroup/devices/docker/nginx,
 // return docker/nginx. Assumes that the process is part of exactly one cgroup hierarchy.
 func (pfs *ProcFS) GetFullContainerName(pid int) (string, error) {
@@ -68,8 +70,8 @@ func (pfs *ProcFS) GetFullContainerName(pid int) (string, error) {
 	return containerNameFromProcCgroup(string(content))
 }
 
-// Find process(es) using a regular expression and send a specified
-// signal to each process
+// PKill finds process(es) using a regular expression and send a specified
+// signal to each process.
 func PKill(name string, sig syscall.Signal) error {
 	if len(name) == 0 {
 		return fmt.Errorf("name should not be empty")
@@ -91,8 +93,8 @@ func PKill(name string, sig syscall.Signal) error {
 	return utilerrors.NewAggregate(errList)
 }
 
-// Find process(es) with a specified name (regexp match)
-// and return their pid(s)
+// PidOf finds process(es) with a specified name (regexp match)
+// and return their pid(s).
 func PidOf(name string) ([]int, error) {
 	if len(name) == 0 {
 		return []int{}, fmt.Errorf("name should not be empty")