From 38c287b8c43bb346110b35346d408a23c88c2890 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Wed, 19 Feb 2020 21:38:34 +0100
Subject: [PATCH] cgroups.7: Update list of cgroups v2 controllers

Update the list of cgroups v2 controllers (several controllers
were missing).

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man7/cgroups.7 | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/man7/cgroups.7 b/man7/cgroups.7
index d3bd4c3d7..eabfb71cb 100644
--- a/man7/cgroups.7
+++ b/man7/cgroups.7
@@ -654,12 +654,22 @@ and
 .I cpuacct
 controllers.
 .TP
+.IR cpuset " (since Linux 5.0)"
+This is the successor of the version 1
+.I cpuset
+controller.
+.TP
 .IR freezer " (since Linux 5.2)"
 .\" commit 76f969e8948d82e78e1bc4beb6b9465908e74873
 This is the successor of the version 1
 .I freezer
 controller.
 .TP
+.IR hugetlb " (since Linux 5.6)"
+This is the successor of the version 1
+.I hugetlb
+controller.
+.TP
 .IR io " (since Linux 4.5)"
 This is the successor of the version 1
 .I blkio
@@ -684,6 +694,23 @@ controller.
 This is the same as the version 1
 .I rdma
 controller.
+.PP
+There is no direct equivalent of the
+.I net_cls
+and
+.I net_prio
+controllers from cgroups version 1.
+Instead, support has been added to
+.BR iptables (8)
+to allow eBPF filters that hook on cgroup v2 pathnames to make decisions
+about network traffic on a per-cgroup basis.
+.PP
+The v2
+.I devices
+controller provides no interface files;
+instead, device control is gated by attaching an eBPF
+.RB ( BPF_CGROUP_DEVICE )
+program to a v2 cgroup.
 .\"
 .SS Cgroups v2 subtree control
 Each cgroup in the v2 hierarchy contains the following two files: