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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>
This commit is contained in:
Michael Kerrisk 2020-02-19 21:38:34 +01:00
parent cda7f4a31f
commit 38c287b8c4
1 changed files with 27 additions and 0 deletions
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@ -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: