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

Add documentation about the -b option in the cgdelete'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 7992ea983fdf5a819b7daeb9b0791e2e5cb331e1)

diff --git a/doc/man/cgdelete.1 b/doc/man/cgdelete.1
index 566830d10b2b0cd85e6e7f28ae59395c56c95aba..ffd0126daef2cf7ea46f37b282c405753b3d2898 100644 (file)
--- a/doc/man/cgdelete.1
+++ b/doc/man/cgdelete.1
@@ -7,13 +7,19 @@
 cgdelete \- remove control group(s)
 
 .SH SYNOPSIS
-\fBcgdelete\fR [\fB-h\fR] [\fB-r\fR] [[\fB-g\fR]
+\fBcgdelete\fR [\fB-h\fR] [\fB-r\fR] [\fB-b\fR] [[\fB-g\fR]
 <\fIcontrollers\fR>:\fI<path\fR>] ...
 
 .SH DESCRIPTION
 The \fBcgdelete\fR
 program removes all specified control groups.
 
+.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 group to delete. Multiple control groups may be