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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-04 08:36:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-04 08:36:58 -0700 |
| commit | 148086bb64694cc91624bab2a550d50f800eb4b7 (patch) | |
| tree | 77e208ccee6fc97c608f6d827e2605345bf3b20d /kernel/sched_fair.c | |
| parent | 4da7e90e653d67dfd405868246d316b04852e2d5 (diff) | |
| parent | 3436ae1298cb22d722a6520fc97f112dd767a9e1 (diff) | |
| download | kernel_samsung_smdk4412-148086bb64694cc91624bab2a550d50f800eb4b7.zip kernel_samsung_smdk4412-148086bb64694cc91624bab2a550d50f800eb4b7.tar.gz kernel_samsung_smdk4412-148086bb64694cc91624bab2a550d50f800eb4b7.tar.bz2 | |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix rebalance interval calculation
sched, doc: Beef up load balancing description
sched: Leave sched_setscheduler() earlier if possible, do not disturb SCHED_FIFO tasks
Diffstat (limited to 'kernel/sched_fair.c')
| -rw-r--r-- | kernel/sched_fair.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 3f7ec9e..c7ec5c8 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -22,6 +22,7 @@ #include <linux/latencytop.h> #include <linux/sched.h> +#include <linux/cpumask.h> /* * Targeted preemption latency for CPU-bound tasks: @@ -3850,8 +3851,8 @@ static void rebalance_domains(int cpu, enum cpu_idle_type idle) interval = msecs_to_jiffies(interval); if (unlikely(!interval)) interval = 1; - if (interval > HZ*NR_CPUS/10) - interval = HZ*NR_CPUS/10; + if (interval > HZ*num_online_cpus()/10) + interval = HZ*num_online_cpus()/10; need_serialize = sd->flags & SD_SERIALIZE; |