man/lssubsys: add tool support status

lssubsys is currently supported on cgroups v1 only, add the note about
the support status in the man page.

Suggested-by: Tom Hromatka <tom.hromatka@oracle.com>
Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>
Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
(cherry picked from commit 9f6426d48c2423910a37ddbb4e282ae89ae1124c)

diff --git a/doc/man/lssubsys.1 b/doc/man/lssubsys.1
index 790c627154c67ec73dedef67d51ba250f43e5459..1c49445e0687171ccccc513688292d916a5fe6ed 100644 (file)
--- a/doc/man/lssubsys.1
+++ b/doc/man/lssubsys.1
@@ -85,6 +85,10 @@ freezer /cgroup/freezer
 net_cls /cgroup/net_cls
 .fi
 
+.SH NOTES
+.TP
+lssubsys is currently supported on cgroups v1 only.
+
 .SH ENVIRONMENT VARIABLES
 .TP
 .B CGROUP_LOGLEVEL