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cgroup: when checking for legacy controllers, ignore any we don't care about

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Dan Streetman 2021-10-13 07:43:14 -04:00 committed by Lennart Poettering
parent 506bbc8569
commit a69f1dd9ca
1 changed files with 4 additions and 0 deletions
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4
src/shared/cgroup-setup.c
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@ -63,6 +63,10 @@ static int cg_any_controller_used_for_v1(void) {
if (streq(enabled, "0"))
continue;
/* Ignore controllers we don't care about. */
if (cgroup_controller_from_string(name) < 0)
continue;
/* Since the unified cgroup doesn't use multiple hierarchies, if any controller has a
* non-zero hierarchy_id that means it's in use already in a legacy (or hybrid) cgroup v1
* hierarchy, and can't be used in a unified cgroup. */