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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-18 16:48:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-18 16:48:49 +0100 |
| commit | 73f56c0d35e6427081a4eabd620d8b8d8a35bd09 (patch) | |
| tree | 9fe1a2577baea03f3a6ec4a5e79f3ff26c4ee0ae /kernel/sched_fair.c | |
| parent | 0af40a4b1050c050e62eb1dc30b82d5ab22bf221 (diff) | |
| parent | 8501c45cc32c311ae755a2d5ac8c4a5f04908d42 (diff) | |
| download | kernel-crypto-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.tar.gz kernel-crypto-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.tar.xz kernel-crypto-73f56c0d35e6427081a4eabd620d8b8d8a35bd09.zip | |
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
Diffstat (limited to 'kernel/sched_fair.c')
| -rw-r--r-- | kernel/sched_fair.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 51aa3e102ac..98345e45b05 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -716,6 +716,15 @@ enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int wakeup) __enqueue_entity(cfs_rq, se); } +static void clear_buddies(struct cfs_rq *cfs_rq, struct sched_entity *se) +{ + if (cfs_rq->last == se) + cfs_rq->last = NULL; + + if (cfs_rq->next == se) + cfs_rq->next = NULL; +} + static void dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep) { @@ -738,11 +747,7 @@ dequeue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int sleep) #endif } - if (cfs_rq->last == se) - cfs_rq->last = NULL; - - if (cfs_rq->next == se) - cfs_rq->next = NULL; + clear_buddies(cfs_rq, se); if (se != cfs_rq->curr) __dequeue_entity(cfs_rq, se); @@ -977,6 +982,8 @@ static void yield_task_fair(struct rq *rq) if (unlikely(cfs_rq->nr_running == 1)) return; + clear_buddies(cfs_rq, se); + if (likely(!sysctl_sched_compat_yield) && curr->policy != SCHED_BATCH) { update_rq_clock(rq); /* |