Lines Matching refs:pgdat
1122 struct pglist_data *pgdat, in shrink_page_list() argument
1237 test_bit(PGDAT_WRITEBACK, &pgdat->flags)) { in shrink_page_list()
1378 !test_bit(PGDAT_DIRTY, &pgdat->flags))) { in shrink_page_list()
1824 pg_data_t *pgdat = page_pgdat(page); in isolate_lru_page() local
1827 spin_lock_irq(&pgdat->lru_lock); in isolate_lru_page()
1828 lruvec = mem_cgroup_page_lruvec(page, pgdat); in isolate_lru_page()
1836 spin_unlock_irq(&pgdat->lru_lock); in isolate_lru_page()
1848 static int too_many_isolated(struct pglist_data *pgdat, int file, in too_many_isolated() argument
1860 inactive = node_page_state(pgdat, NR_INACTIVE_FILE); in too_many_isolated()
1861 isolated = node_page_state(pgdat, NR_ISOLATED_FILE); in too_many_isolated()
1863 inactive = node_page_state(pgdat, NR_INACTIVE_ANON); in too_many_isolated()
1864 isolated = node_page_state(pgdat, NR_ISOLATED_ANON); in too_many_isolated()
1901 struct pglist_data *pgdat = lruvec_pgdat(lruvec); in move_pages_to_lru() local
1912 spin_unlock_irq(&pgdat->lru_lock); in move_pages_to_lru()
1914 spin_lock_irq(&pgdat->lru_lock); in move_pages_to_lru()
1917 lruvec = mem_cgroup_page_lruvec(page, pgdat); in move_pages_to_lru()
1933 spin_unlock_irq(&pgdat->lru_lock); in move_pages_to_lru()
1935 spin_lock_irq(&pgdat->lru_lock); in move_pages_to_lru()
1981 struct pglist_data *pgdat = lruvec_pgdat(lruvec); in shrink_inactive_list() local
1984 while (unlikely(too_many_isolated(pgdat, file, sc))) { in shrink_inactive_list()
1999 spin_lock_irq(&pgdat->lru_lock); in shrink_inactive_list()
2004 __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, nr_taken); in shrink_inactive_list()
2011 spin_unlock_irq(&pgdat->lru_lock); in shrink_inactive_list()
2016 nr_reclaimed = shrink_page_list(&page_list, pgdat, sc, &stat, false); in shrink_inactive_list()
2019 spin_lock_irq(&pgdat->lru_lock); in shrink_inactive_list()
2023 __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken); in shrink_inactive_list()
2030 spin_unlock_irq(&pgdat->lru_lock); in shrink_inactive_list()
2058 trace_mm_vmscan_lru_shrink_inactive(pgdat->node_id, in shrink_inactive_list()
2078 struct pglist_data *pgdat = lruvec_pgdat(lruvec); in shrink_active_list() local
2084 spin_lock_irq(&pgdat->lru_lock); in shrink_active_list()
2089 __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, nr_taken); in shrink_active_list()
2095 spin_unlock_irq(&pgdat->lru_lock); in shrink_active_list()
2155 spin_lock_irq(&pgdat->lru_lock); in shrink_active_list()
2165 __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken); in shrink_active_list()
2166 spin_unlock_irq(&pgdat->lru_lock); in shrink_active_list()
2170 trace_mm_vmscan_lru_shrink_active(pgdat->node_id, nr_taken, nr_activate, in shrink_active_list()
2647 static inline bool should_continue_reclaim(struct pglist_data *pgdat, in should_continue_reclaim() argument
2674 struct zone *zone = &pgdat->node_zones[z]; in should_continue_reclaim()
2693 inactive_lru_pages = node_page_state(pgdat, NR_INACTIVE_FILE); in should_continue_reclaim()
2695 inactive_lru_pages += node_page_state(pgdat, NR_INACTIVE_ANON); in should_continue_reclaim()
2700 static void shrink_node_memcgs(pg_data_t *pgdat, struct scan_control *sc) in shrink_node_memcgs() argument
2707 struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat); in shrink_node_memcgs()
2751 shrink_slab(sc->gfp_mask, pgdat->node_id, memcg, in shrink_node_memcgs()
2762 static void shrink_node(pg_data_t *pgdat, struct scan_control *sc) in shrink_node() argument
2770 target_lruvec = mem_cgroup_lruvec(sc->target_mem_cgroup, pgdat); in shrink_node()
2781 spin_lock_irq(&pgdat->lru_lock); in shrink_node()
2784 spin_unlock_irq(&pgdat->lru_lock); in shrink_node()
2841 free = sum_zone_node_page_state(pgdat->node_id, NR_FREE_PAGES); in shrink_node()
2842 file = node_page_state(pgdat, NR_ACTIVE_FILE) + in shrink_node()
2843 node_page_state(pgdat, NR_INACTIVE_FILE); in shrink_node()
2846 struct zone *zone = &pgdat->node_zones[z]; in shrink_node()
2858 anon = node_page_state(pgdat, NR_INACTIVE_ANON); in shrink_node()
2866 shrink_node_memcgs(pgdat, sc); in shrink_node()
2900 set_bit(PGDAT_WRITEBACK, &pgdat->flags); in shrink_node()
2904 set_bit(PGDAT_DIRTY, &pgdat->flags); in shrink_node()
2940 if (should_continue_reclaim(pgdat, sc->nr_reclaimed - nr_reclaimed, in shrink_node()
2951 pgdat->kswapd_failures = 0; in shrink_node()
3079 static void snapshot_refaults(struct mem_cgroup *target_memcg, pg_data_t *pgdat) in snapshot_refaults() argument
3084 target_lruvec = mem_cgroup_lruvec(target_memcg, pgdat); in snapshot_refaults()
3196 static bool allow_direct_reclaim(pg_data_t *pgdat) in allow_direct_reclaim() argument
3204 if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES) in allow_direct_reclaim()
3208 zone = &pgdat->node_zones[i]; in allow_direct_reclaim()
3226 if (!wmark_ok && waitqueue_active(&pgdat->kswapd_wait)) { in allow_direct_reclaim()
3227 if (READ_ONCE(pgdat->kswapd_highest_zoneidx) > ZONE_NORMAL) in allow_direct_reclaim()
3228 WRITE_ONCE(pgdat->kswapd_highest_zoneidx, ZONE_NORMAL); in allow_direct_reclaim()
3230 wake_up_interruptible(&pgdat->kswapd_wait); in allow_direct_reclaim()
3250 pg_data_t *pgdat = NULL; in throttle_direct_reclaim() local
3289 pgdat = zone->zone_pgdat; in throttle_direct_reclaim()
3290 if (allow_direct_reclaim(pgdat)) in throttle_direct_reclaim()
3296 if (!pgdat) in throttle_direct_reclaim()
3311 wait_event_interruptible_timeout(pgdat->pfmemalloc_wait, in throttle_direct_reclaim()
3312 allow_direct_reclaim(pgdat), HZ); in throttle_direct_reclaim()
3319 allow_direct_reclaim(pgdat)); in throttle_direct_reclaim()
3377 pg_data_t *pgdat, in mem_cgroup_shrink_node() argument
3380 struct lruvec *lruvec = mem_cgroup_lruvec(memcg, pgdat); in mem_cgroup_shrink_node()
3454 static void age_active_anon(struct pglist_data *pgdat, in age_active_anon() argument
3463 lruvec = mem_cgroup_lruvec(NULL, pgdat); in age_active_anon()
3469 lruvec = mem_cgroup_lruvec(memcg, pgdat); in age_active_anon()
3476 static bool pgdat_watermark_boosted(pg_data_t *pgdat, int highest_zoneidx) in pgdat_watermark_boosted() argument
3489 zone = pgdat->node_zones + i; in pgdat_watermark_boosted()
3504 static bool pgdat_balanced(pg_data_t *pgdat, int order, int highest_zoneidx) in pgdat_balanced() argument
3515 zone = pgdat->node_zones + i; in pgdat_balanced()
3537 static void clear_pgdat_congested(pg_data_t *pgdat) in clear_pgdat_congested() argument
3539 struct lruvec *lruvec = mem_cgroup_lruvec(NULL, pgdat); in clear_pgdat_congested()
3542 clear_bit(PGDAT_DIRTY, &pgdat->flags); in clear_pgdat_congested()
3543 clear_bit(PGDAT_WRITEBACK, &pgdat->flags); in clear_pgdat_congested()
3552 static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, in prepare_kswapd_sleep() argument
3568 if (waitqueue_active(&pgdat->pfmemalloc_wait)) in prepare_kswapd_sleep()
3569 wake_up_all(&pgdat->pfmemalloc_wait); in prepare_kswapd_sleep()
3572 if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES) in prepare_kswapd_sleep()
3575 if (pgdat_balanced(pgdat, order, highest_zoneidx)) { in prepare_kswapd_sleep()
3576 clear_pgdat_congested(pgdat); in prepare_kswapd_sleep()
3591 static bool kswapd_shrink_node(pg_data_t *pgdat, in kswapd_shrink_node() argument
3600 zone = pgdat->node_zones + z; in kswapd_shrink_node()
3611 shrink_node(pgdat, sc); in kswapd_shrink_node()
3639 static int balance_pgdat(pg_data_t *pgdat, int order, int highest_zoneidx) in balance_pgdat() argument
3668 zone = pgdat->node_zones + i; in balance_pgdat()
3699 zone = pgdat->node_zones + i; in balance_pgdat()
3715 balanced = pgdat_balanced(pgdat, sc.order, highest_zoneidx); in balance_pgdat()
3748 age_active_anon(pgdat, &sc); in balance_pgdat()
3760 nr_soft_reclaimed = mem_cgroup_soft_limit_reclaim(pgdat, sc.order, in balance_pgdat()
3769 if (kswapd_shrink_node(pgdat, &sc)) in balance_pgdat()
3777 if (waitqueue_active(&pgdat->pfmemalloc_wait) && in balance_pgdat()
3778 allow_direct_reclaim(pgdat)) in balance_pgdat()
3779 wake_up_all(&pgdat->pfmemalloc_wait); in balance_pgdat()
3808 pgdat->kswapd_failures++; in balance_pgdat()
3820 zone = pgdat->node_zones + i; in balance_pgdat()
3830 wakeup_kcompactd(pgdat, pageblock_order, highest_zoneidx); in balance_pgdat()
3833 snapshot_refaults(NULL, pgdat); in balance_pgdat()
3854 static enum zone_type kswapd_highest_zoneidx(pg_data_t *pgdat, in kswapd_highest_zoneidx() argument
3857 enum zone_type curr_idx = READ_ONCE(pgdat->kswapd_highest_zoneidx); in kswapd_highest_zoneidx()
3862 static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_order, in kswapd_try_to_sleep() argument
3871 prepare_to_wait(&pgdat->kswapd_wait, &wait, TASK_INTERRUPTIBLE); in kswapd_try_to_sleep()
3880 if (prepare_kswapd_sleep(pgdat, reclaim_order, highest_zoneidx)) { in kswapd_try_to_sleep()
3887 reset_isolation_suitable(pgdat); in kswapd_try_to_sleep()
3893 wakeup_kcompactd(pgdat, alloc_order, highest_zoneidx); in kswapd_try_to_sleep()
3903 WRITE_ONCE(pgdat->kswapd_highest_zoneidx, in kswapd_try_to_sleep()
3904 kswapd_highest_zoneidx(pgdat, in kswapd_try_to_sleep()
3907 if (READ_ONCE(pgdat->kswapd_order) < reclaim_order) in kswapd_try_to_sleep()
3908 WRITE_ONCE(pgdat->kswapd_order, reclaim_order); in kswapd_try_to_sleep()
3911 finish_wait(&pgdat->kswapd_wait, &wait); in kswapd_try_to_sleep()
3912 prepare_to_wait(&pgdat->kswapd_wait, &wait, TASK_INTERRUPTIBLE); in kswapd_try_to_sleep()
3920 prepare_kswapd_sleep(pgdat, reclaim_order, highest_zoneidx)) { in kswapd_try_to_sleep()
3921 trace_mm_vmscan_kswapd_sleep(pgdat->node_id); in kswapd_try_to_sleep()
3931 set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold); in kswapd_try_to_sleep()
3936 set_pgdat_percpu_threshold(pgdat, calculate_pressure_threshold); in kswapd_try_to_sleep()
3943 finish_wait(&pgdat->kswapd_wait, &wait); in kswapd_try_to_sleep()
3963 pg_data_t *pgdat = (pg_data_t*)p; in kswapd() local
3965 const struct cpumask *cpumask = cpumask_of_node(pgdat->node_id); in kswapd()
3985 WRITE_ONCE(pgdat->kswapd_order, 0); in kswapd()
3986 WRITE_ONCE(pgdat->kswapd_highest_zoneidx, MAX_NR_ZONES); in kswapd()
3990 alloc_order = reclaim_order = READ_ONCE(pgdat->kswapd_order); in kswapd()
3991 highest_zoneidx = kswapd_highest_zoneidx(pgdat, in kswapd()
3995 kswapd_try_to_sleep(pgdat, alloc_order, reclaim_order, in kswapd()
3999 alloc_order = reclaim_order = READ_ONCE(pgdat->kswapd_order); in kswapd()
4000 highest_zoneidx = kswapd_highest_zoneidx(pgdat, in kswapd()
4002 WRITE_ONCE(pgdat->kswapd_order, 0); in kswapd()
4003 WRITE_ONCE(pgdat->kswapd_highest_zoneidx, MAX_NR_ZONES); in kswapd()
4024 trace_mm_vmscan_kswapd_wake(pgdat->node_id, highest_zoneidx, in kswapd()
4026 reclaim_order = balance_pgdat(pgdat, alloc_order, in kswapd()
4039 pg_data_t *pgdat = NODE_DATA(nid); in kswapd_per_node_run() local
4044 pgdat->mkswapd[hid] = kthread_run(kswapd, pgdat, "kswapd%d:%d", in kswapd_per_node_run()
4046 if (IS_ERR(pgdat->mkswapd[hid])) { in kswapd_per_node_run()
4051 ret = PTR_ERR(pgdat->mkswapd[hid]); in kswapd_per_node_run()
4052 pgdat->mkswapd[hid] = NULL; in kswapd_per_node_run()
4055 if (!pgdat->kswapd) in kswapd_per_node_run()
4056 pgdat->kswapd = pgdat->mkswapd[hid]; in kswapd_per_node_run()
4087 pg_data_t *pgdat; in wakeup_kswapd() local
4096 pgdat = zone->zone_pgdat; in wakeup_kswapd()
4097 curr_idx = READ_ONCE(pgdat->kswapd_highest_zoneidx); in wakeup_kswapd()
4100 WRITE_ONCE(pgdat->kswapd_highest_zoneidx, highest_zoneidx); in wakeup_kswapd()
4102 if (READ_ONCE(pgdat->kswapd_order) < order) in wakeup_kswapd()
4103 WRITE_ONCE(pgdat->kswapd_order, order); in wakeup_kswapd()
4105 if (!waitqueue_active(&pgdat->kswapd_wait)) in wakeup_kswapd()
4109 if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES || in wakeup_kswapd()
4110 (pgdat_balanced(pgdat, order, highest_zoneidx) && in wakeup_kswapd()
4111 !pgdat_watermark_boosted(pgdat, highest_zoneidx))) { in wakeup_kswapd()
4120 wakeup_kcompactd(pgdat, order, highest_zoneidx); in wakeup_kswapd()
4124 trace_mm_vmscan_wakeup_kswapd(pgdat->node_id, highest_zoneidx, order, in wakeup_kswapd()
4126 wake_up_interruptible(&pgdat->kswapd_wait); in wakeup_kswapd()
4174 pg_data_t *pgdat = NODE_DATA(nid); in kswapd_run() local
4177 if (pgdat->kswapd) in kswapd_run()
4183 pgdat->kswapd = kthread_run(kswapd, pgdat, "kswapd%d", nid); in kswapd_run()
4184 if (IS_ERR(pgdat->kswapd)) { in kswapd_run()
4188 ret = PTR_ERR(pgdat->kswapd); in kswapd_run()
4189 pgdat->kswapd = NULL; in kswapd_run()
4261 static inline unsigned long node_unmapped_file_pages(struct pglist_data *pgdat) in node_unmapped_file_pages() argument
4263 unsigned long file_mapped = node_page_state(pgdat, NR_FILE_MAPPED); in node_unmapped_file_pages()
4264 unsigned long file_lru = node_page_state(pgdat, NR_INACTIVE_FILE) + in node_unmapped_file_pages()
4265 node_page_state(pgdat, NR_ACTIVE_FILE); in node_unmapped_file_pages()
4276 static unsigned long node_pagecache_reclaimable(struct pglist_data *pgdat) in node_pagecache_reclaimable() argument
4288 nr_pagecache_reclaimable = node_page_state(pgdat, NR_FILE_PAGES); in node_pagecache_reclaimable()
4290 nr_pagecache_reclaimable = node_unmapped_file_pages(pgdat); in node_pagecache_reclaimable()
4294 delta += node_page_state(pgdat, NR_FILE_DIRTY); in node_pagecache_reclaimable()
4306 static int __node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask, unsigned int order) in __node_reclaim() argument
4323 trace_mm_vmscan_node_reclaim_begin(pgdat->node_id, order, in __node_reclaim()
4337 if (node_pagecache_reclaimable(pgdat) > pgdat->min_unmapped_pages) { in __node_reclaim()
4343 shrink_node(pgdat, &sc); in __node_reclaim()
4357 int node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask, unsigned int order) in node_reclaim() argument
4371 if (node_pagecache_reclaimable(pgdat) <= pgdat->min_unmapped_pages && in node_reclaim()
4372 node_page_state_pages(pgdat, NR_SLAB_RECLAIMABLE_B) <= in node_reclaim()
4373 pgdat->min_slab_pages) in node_reclaim()
4388 if (node_state(pgdat->node_id, N_CPU) && pgdat->node_id != numa_node_id()) in node_reclaim()
4391 if (test_and_set_bit(PGDAT_RECLAIM_LOCKED, &pgdat->flags)) in node_reclaim()
4394 ret = __node_reclaim(pgdat, gfp_mask, order); in node_reclaim()
4395 clear_bit(PGDAT_RECLAIM_LOCKED, &pgdat->flags); in node_reclaim()
4416 struct pglist_data *pgdat = NULL; in check_move_unevictable_pages() local
4432 if (pagepgdat != pgdat) { in check_move_unevictable_pages()
4433 if (pgdat) in check_move_unevictable_pages()
4434 spin_unlock_irq(&pgdat->lru_lock); in check_move_unevictable_pages()
4435 pgdat = pagepgdat; in check_move_unevictable_pages()
4436 spin_lock_irq(&pgdat->lru_lock); in check_move_unevictable_pages()
4438 lruvec = mem_cgroup_page_lruvec(page, pgdat); in check_move_unevictable_pages()
4454 if (pgdat) { in check_move_unevictable_pages()
4457 spin_unlock_irq(&pgdat->lru_lock); in check_move_unevictable_pages()