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