mirror of https://github.com/mkerrisk/man-pages
cgroups.7: Mention ENOENT error that can occur when writing to subtree_control file
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -679,6 +679,15 @@ echo '+pids -memory' > x/y/cgroup.subtree_control
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.in
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.IP
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.PP
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An attempt to enable a controller
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that is not present in
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.I cgroup.controllers
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leads to an
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.B ENOENT
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error when writing to the
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.I cgroup.subtree_control
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file.
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.PP
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Because the list of controllers in
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.I cgroup.subtree_control
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is a subset of those
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