diff options
| -rw-r--r-- | init/Kconfig | 1 | ||||
| -rw-r--r-- | kernel/sched/core.c | 7 | ||||
| -rw-r--r-- | kernel/sched/fair.c | 10 |
3 files changed, 7 insertions, 11 deletions
diff --git a/init/Kconfig b/init/Kconfig index a075765d5fb..018d206c21f 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -713,7 +713,6 @@ config CGROUP_PERF menuconfig CGROUP_SCHED bool "Group CPU scheduler" - depends on EXPERIMENTAL default n help This feature lets CPU scheduler recognize task groups and control CPU diff --git a/kernel/sched/core.c b/kernel/sched/core.c index cecbb64be05..fd7b25e9007 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -7134,10 +7134,6 @@ void set_curr_task(int cpu, struct task_struct *p) #endif -#ifdef CONFIG_RT_GROUP_SCHED -#else /* !CONFIG_RT_GROUP_SCHED */ -#endif /* CONFIG_RT_GROUP_SCHED */ - #ifdef CONFIG_CGROUP_SCHED /* task_group_lock serializes the addition/removal of task groups */ static DEFINE_SPINLOCK(task_group_lock); @@ -7246,9 +7242,6 @@ void sched_move_task(struct task_struct *tsk) } #endif /* CONFIG_CGROUP_SCHED */ -#ifdef CONFIG_FAIR_GROUP_SCHED -#endif - #if defined(CONFIG_RT_GROUP_SCHED) || defined(CONFIG_CFS_BANDWIDTH) static unsigned long to_ratio(u64 period, u64 runtime) { diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 8e42de9105f..84adb2d66cb 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3130,8 +3130,10 @@ task_hot(struct task_struct *p, u64 now, struct sched_domain *sd) } #define LBF_ALL_PINNED 0x01 -#define LBF_NEED_BREAK 0x02 -#define LBF_ABORT 0x04 +#define LBF_NEED_BREAK 0x02 /* clears into HAD_BREAK */ +#define LBF_HAD_BREAK 0x04 +#define LBF_HAD_BREAKS 0x0C /* count HAD_BREAKs overflows into ABORT */ +#define LBF_ABORT 0x10 /* * can_migrate_task - may task p from runqueue rq be migrated to this_cpu? @@ -4508,7 +4510,9 @@ redo: goto out_balanced; if (lb_flags & LBF_NEED_BREAK) { - lb_flags &= ~LBF_NEED_BREAK; + lb_flags += LBF_HAD_BREAK - LBF_NEED_BREAK; + if (lb_flags & LBF_ABORT) + goto out_balanced; goto redo; } |