diff options
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 37 |
1 files changed, 18 insertions, 19 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index b9784e13e6b6..225b31aaee55 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -1823,7 +1823,7 @@ static bool pgdat_free_space_enough(struct pglist_data *pgdat) continue; if (zone_watermark_ok(zone, 0, - wmark_pages(zone, WMARK_PROMO) + enough_wmark, + promo_wmark_pages(zone) + enough_wmark, ZONE_MOVABLE, 0)) return true; } @@ -1921,8 +1921,7 @@ bool should_numa_migrate_memory(struct task_struct *p, struct folio *folio, * The pages in slow memory node should be migrated according * to hot/cold instead of private/shared. */ - if (sysctl_numa_balancing_mode & NUMA_BALANCING_MEMORY_TIERING && - !node_is_toptier(src_nid)) { + if (folio_use_access_time(folio)) { struct pglist_data *pgdat; unsigned long rate_limit; unsigned int latency, th, def_th; @@ -3269,6 +3268,15 @@ static bool vma_is_accessed(struct mm_struct *mm, struct vm_area_struct *vma) return true; } + /* + * This vma has not been accessed for a while, and if the number + * the threads in the same process is low, which means no other + * threads can help scan this vma, force a vma scan. + */ + if (READ_ONCE(mm->numa_scan_seq) > + (vma->numab_state->prev_scan_seq + get_nr_threads(current))) + return true; + return false; } @@ -3916,7 +3924,8 @@ static void reweight_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, } } -void reweight_task(struct task_struct *p, const struct load_weight *lw) +static void reweight_task_fair(struct rq *rq, struct task_struct *p, + const struct load_weight *lw) { struct sched_entity *se = &p->se; struct cfs_rq *cfs_rq = cfs_rq_of(se); @@ -8799,7 +8808,7 @@ static void check_preempt_wakeup_fair(struct rq *rq, struct task_struct *p, int /* * BATCH and IDLE tasks do not preempt others. */ - if (unlikely(p->policy != SCHED_NORMAL)) + if (unlikely(!normal_policy(p->policy))) return; cfs_rq = cfs_rq_of(se); @@ -9708,29 +9717,18 @@ static inline void update_blocked_load_status(struct rq *rq, bool has_blocked) { static bool __update_blocked_others(struct rq *rq, bool *done) { - const struct sched_class *curr_class; - u64 now = rq_clock_pelt(rq); - unsigned long hw_pressure; - bool decayed; + bool updated; /* * update_load_avg() can call cpufreq_update_util(). Make sure that RT, * DL and IRQ signals have been updated before updating CFS. */ - curr_class = rq->curr->sched_class; - - hw_pressure = arch_scale_hw_pressure(cpu_of(rq)); - - /* hw_pressure doesn't care about invariance */ - decayed = update_rt_rq_load_avg(now, rq, curr_class == &rt_sched_class) | - update_dl_rq_load_avg(now, rq, curr_class == &dl_sched_class) | - update_hw_load_avg(rq_clock_task(rq), rq, hw_pressure) | - update_irq_load_avg(rq, 0); + updated = update_other_load_avgs(rq); if (others_have_blocked(rq)) *done = false; - return decayed; + return updated; } #ifdef CONFIG_FAIR_GROUP_SCHED @@ -13604,6 +13602,7 @@ DEFINE_SCHED_CLASS(fair) = { .task_tick = task_tick_fair, .task_fork = task_fork_fair, + .reweight_task = reweight_task_fair, .prio_changed = prio_changed_fair, .switched_from = switched_from_fair, .switched_to = switched_to_fair, |