diff options
| author | Paul Turner <pjt@google.com> | 2011-07-21 09:43:34 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-08-14 12:03:36 +0200 |
| commit | 671fd9dabe5239ad218c7eb48b2b9edee50250e6 (patch) | |
| tree | 351f59453eb699661bd811210f24d8b7fd554ca4 /kernel/sched.c | |
| parent | 85dac906bec3bb41bfaa7ccaa65c4706de5cfdf8 (diff) | |
| download | linux-671fd9dabe5239ad218c7eb48b2b9edee50250e6.tar.gz linux-671fd9dabe5239ad218c7eb48b2b9edee50250e6.tar.bz2 linux-671fd9dabe5239ad218c7eb48b2b9edee50250e6.zip | |
sched: Add support for unthrottling group entities
At the start of each period we refresh the global bandwidth pool. At this time
we must also unthrottle any cfs_rq entities who are now within bandwidth once
more (as quota permits).
Unthrottled entities have their corresponding cfs_rq->throttled flag cleared
and their entities re-enqueued.
Signed-off-by: Paul Turner <pjt@google.com>
Reviewed-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110721184757.574628950@google.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 044260a9418d..4bbabc2c4a77 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -9192,6 +9192,9 @@ static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota) raw_spin_lock_irq(&rq->lock); cfs_rq->runtime_enabled = runtime_enabled; cfs_rq->runtime_remaining = 0; + + if (cfs_rq_throttled(cfs_rq)) + unthrottle_cfs_rq(cfs_rq); raw_spin_unlock_irq(&rq->lock); } out_unlock: |