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| author |   Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-11-16 10:50:25 +0100 |
| commit | e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec (patch) | |
| tree | 863e0e108f7b7ba2dffc7575bbdfc2d454fc2017 /kernel/sched/fair.c | |
| parent | sched: Refactor task_struct to use numa_faults instead of numa_* pointers (diff) | |
| parent | sched/cputime: Fix clock_nanosleep()/clock_gettime() inconsistency (diff) | |
| download | linux-dev-e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec.tar.xz linux-dev-e9ac5f0fa8549dffe2a15870217a9c2e7cd557ec.zip | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes before applying more changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 826fdf326683..cf80643eb04d 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -726,6 +726,11 @@ static void update_curr(struct cfs_rq *cfs_rq) account_cfs_rq_runtime(cfs_rq, delta_exec); } +static void update_curr_fair(struct rq *rq) +{ + update_curr(cfs_rq_of(&rq->curr->se)); +} + static inline void update_stats_wait_start(struct cfs_rq *cfs_rq, struct sched_entity *se) { @@ -1268,6 +1273,13 @@ static void task_numa_compare(struct task_numa_env *env, raw_spin_unlock_irq(&dst_rq->lock); /* + * Because we have preemption enabled we can get migrated around and + * end try selecting ourselves (current == env->p) as a swap candidate. + */ + if (cur == env->p) + goto unlock; + + /* * "imp" is the fault differential for the source task between the * source and destination node. Calculate the total differential for * the source task and potential destination task. The more negative @@ -8137,6 +8149,8 @@ const struct sched_class fair_sched_class = { .get_rr_interval = get_rr_interval_fair, + .update_curr = update_curr_fair, + #ifdef CONFIG_FAIR_GROUP_SCHED .task_move_group = task_move_group_fair, #endif |