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| author | Ingo Molnar <mingo@kernel.org> | 2018-03-20 10:08:02 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-03-20 10:08:02 +0300 |
| commit | 10c18c44a6494167e7a7ca3a3a61a67972017bdf (patch) | |
| tree | 20c3afe744b0d88783161169ec88e45a53662fe7 /kernel/sched | |
| parent | 9e49e2447c6385e45c6fddd70d6c0e917e21b669 (diff) | |
| parent | 1b5f3ba415fe4cf8b8b39c8d104ed44cde330658 (diff) | |
| download | linux-10c18c44a6494167e7a7ca3a3a61a67972017bdf.tar.xz | |
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/core.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index c7faeb7bd03a..b249adbf2a48 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6733,13 +6733,18 @@ static int tg_cfs_schedulable_down(struct task_group *tg, void *data) parent_quota = parent_b->hierarchical_quota; /* - * Ensure max(child_quota) <= parent_quota, inherit when no + * Ensure max(child_quota) <= parent_quota. On cgroup2, + * always take the min. On cgroup1, only inherit when no * limit is set: */ - if (quota == RUNTIME_INF) - quota = parent_quota; - else if (parent_quota != RUNTIME_INF && quota > parent_quota) - return -EINVAL; + if (cgroup_subsys_on_dfl(cpu_cgrp_subsys)) { + quota = min(quota, parent_quota); + } else { + if (quota == RUNTIME_INF) + quota = parent_quota; + else if (parent_quota != RUNTIME_INF && quota > parent_quota) + return -EINVAL; + } } cfs_b->hierarchical_quota = quota; |