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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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Michael Kerrisk 2017-12-25 16:57:11 +01:00
parent 4242dfbe4f
commit c9b101d1a2
1 changed files with 9 additions and 0 deletions
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man7/cgroups.7
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@ -679,6 +679,15 @@ echo '+pids -memory' > x/y/cgroup.subtree_control
.in
.IP
.PP
An attempt to enable a controller
that is not present in
.I cgroup.controllers
leads to an
.B ENOENT
error when writing to the
.I cgroup.subtree_control
file.
.PP
Because the list of controllers in
.I cgroup.subtree_control
is a subset of those