diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7a0997e7e1368f171cc40725f9a6202858c7c589..adecea9c607d16ade32f55c70d2d8c3041be0f88 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -9792,6 +9792,10 @@ int sched_cpu_deactivate(unsigned int cpu) ret = cpuset_cpu_inactive(cpu); if (ret) { balance_push_set(cpu, false); +#ifdef CONFIG_SCHED_SMT + if (cpumask_weight(cpu_smt_mask(cpu)) == 2) + static_branch_inc_cpuslocked(&sched_smt_present); +#endif set_cpu_active(cpu, true); sched_update_numa(cpu, true); return ret;