diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/fair.c | 3 | ||||
| -rw-r--r-- | kernel/sched/rt.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 96a9ecec699b..8e534a05e3ed 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2744,6 +2744,9 @@ select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flags) int want_sd = 1; int sync = wake_flags & WF_SYNC; + if (p->rt.nr_cpus_allowed == 1) + return prev_cpu; + if (sd_flag & SD_BALANCE_WAKE) { if (cpumask_test_cpu(cpu, tsk_cpus_allowed(p))) want_affine = 1; diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 023b35502509..58a48444e5c9 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1200,6 +1200,9 @@ select_task_rq_rt(struct task_struct *p, int sd_flag, int flags) cpu = task_cpu(p); + if (p->rt.nr_cpus_allowed == 1) + goto out; + /* For anything but wake ups, just return the task_cpu */ if (sd_flag != SD_BALANCE_WAKE && sd_flag != SD_BALANCE_FORK) goto out; |