diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/ext/cid.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched/ext/cid.c b/kernel/sched/ext/cid.c index 9fc219257004..20e40e3fe8ff 100644 --- a/kernel/sched/ext/cid.c +++ b/kernel/sched/ext/cid.c @@ -309,6 +309,12 @@ s32 scx_cid_init(struct scx_sched *sch) * empty shard. */ cids_in_core = cpumask_weight(core_scratch); + if (cids_in_core > SCX_CID_SHARD_MAX_CPUS) { + scx_error(sch, "core with %u cpus exceeds max shard size %d", + cids_in_core, SCX_CID_SHARD_MAX_CPUS); + return -E2BIG; + } + max_cores = cores_per_shard + (shard_local < nr_large ? 1 : 0); if (cores_in_shard && (cores_in_shard >= max_cores || |