diff options
Diffstat (limited to 'kernel/sched/isolation.c')
| -rw-r--r-- | kernel/sched/isolation.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/kernel/sched/isolation.c b/kernel/sched/isolation.c index 123ea07a3f3b..9fcb2a695a41 100644 --- a/kernel/sched/isolation.c +++ b/kernel/sched/isolation.c @@ -14,11 +14,25 @@ EXPORT_SYMBOL_GPL(housekeeping_overridden); static cpumask_var_t housekeeping_mask; static unsigned int housekeeping_flags; +bool housekeeping_enabled(enum hk_flags flags) +{ + return !!(housekeeping_flags & flags); +} +EXPORT_SYMBOL_GPL(housekeeping_enabled); + int housekeeping_any_cpu(enum hk_flags flags) { - if (static_branch_unlikely(&housekeeping_overridden)) - if (housekeeping_flags & flags) + int cpu; + + if (static_branch_unlikely(&housekeeping_overridden)) { + if (housekeeping_flags & flags) { + cpu = sched_numa_find_closest(housekeeping_mask, smp_processor_id()); + if (cpu < nr_cpu_ids) + return cpu; + return cpumask_any_and(housekeeping_mask, cpu_online_mask); + } + } return smp_processor_id(); } EXPORT_SYMBOL_GPL(housekeeping_any_cpu); |