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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-10-04 22:22:31 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-10-05 08:22:10 +0200 |
| commit | 6c9aa5ad5f588594062100e832ef06d17a49187d (patch) | |
| tree | d974571e981231a17e93eb83ba721db3f6ed6404 /man7 | |
| parent | df0a41dfe381ec8ea30ca8a191e13c00ad1a005b (diff) | |
| download | man-pages-6c9aa5ad5f588594062100e832ef06d17a49187d.tar.gz | |
cgroups.7: Rework discussion of writing to cgroup.type file
In particular, it is possible to write "threaded" to a
cgroup.type file if the current type is "domain threaded".
Previously, the text had implied that this was not possible.
Verified by experiment on Linux 4.15 and 4.19-rc.
Reported-by: Leah Hanson <lhanson@pivotal.io>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7')
| -rw-r--r-- | man7/cgroups.7 | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/man7/cgroups.7 b/man7/cgroups.7 index 3552cafa1d..8e106d8e7e 100644 --- a/man7/cgroups.7 +++ b/man7/cgroups.7 @@ -1408,24 +1408,27 @@ In other words, the only explicit transition that is possible is to convert a cgroup to type .IR threaded . .IP * -The string +The effect of writing .IR """threaded""" -can be written only if the current value in -.IR cgroup.type -is one of the following +depends on the current value in +.IR cgroup.type , +as follows: .RS .IP \(bu 3 -.IR domain , -to start the creation of a threaded subtree via +.IR domain +or +.IR "domain threaded" : +start the creation of a threaded subtree +(whose root is the parent of this cgroup) via the first of the pathways described above; .IP \(bu -.IR "domain\ invalid" , -to convert one of the cgroups in a threaded subtree into a usable (i.e., +.IR "domain\ invalid" : +convert one of the cgroups in a threaded subtree into a usable (i.e., .IR threaded ) state; .IP \(bu -.IR threaded , -which has no effect (a "no-op"). +.IR threaded : +no effect (a "no-op"). .RE .IP * We can't write to a |