man: document cgclassify's -b (systemd) option

Add documentation about the -b option in the cgclassify's man page.
This option ignores the default systemd delegated hierarchy path
and constructs the path of the control groups relative to the cgroup
root hierarchy.

Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit ba505b05cd22370de0d0bf37818275075199afe7)

diff --git a/doc/man/cgclassify.1 b/doc/man/cgclassify.1
index 1facd2b2fde332983fe4b328933b655302a1978c..5456daa4f042c12344137c514301c4ce904520ed 100644 (file)
--- a/doc/man/cgclassify.1
+++ b/doc/man/cgclassify.1
@@ -6,7 +6,7 @@
 cgclassify \- move running task(s) to given cgroups
 
 .SH SYNOPSIS
-\fBcgclassify\fR [\fB-g\fR <\fIcontrollers>:<path\fR>] [--sticky | --cancel-sticky] <\fIpidlist\fR>
+\fBcgclassify\fR [\fB-b\fR] [\fB-g\fR <\fIcontrollers>:<path\fR>] [--sticky | --cancel-sticky] <\fIpidlist\fR>
 
 .SH DESCRIPTION
 this command moves processes defined by the list
@@ -16,6 +16,12 @@ to the given control groups.
 
 The pids in the pidlist are separated by spaces
 
+.TP
+.B -b
+ignores the default systemd delegated hierarchy path and
+constructs the path of the control groups relative to the
+cgroup root hierarchy.
+
 .TP
 .B -g <controllers>:<path>
 defines the control groups where the task will be moved.