diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 144879d5bb89..e3349b75f15b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1781,7 +1781,6 @@ static bool too_many_isolated(struct pglist_data *pgdat, int file, /* * move_folios_to_lru() moves folios from private @list to appropriate LRU list. - * On return, @list is reused as a list of folios to be freed by the caller. * * Returns the number of pages moved to the given lruvec. */ @@ -1789,8 +1788,9 @@ static unsigned int move_folios_to_lru(struct lruvec *lruvec, struct list_head *list) { int nr_pages, nr_moved = 0; - LIST_HEAD(folios_to_free); + struct folio_batch free_folios; + folio_batch_init(&free_folios); while (!list_empty(list)) { struct folio *folio = lru_to_folio(list); @@ -1819,12 +1819,12 @@ static unsigned int move_folios_to_lru(struct lruvec *lruvec, if (unlikely(folio_put_testzero(folio))) { __folio_clear_lru_flags(folio); - if (unlikely(folio_test_large(folio))) { + if (folio_batch_add(&free_folios, folio) == 0) { spin_unlock_irq(&lruvec->lru_lock); - destroy_large_folio(folio); + mem_cgroup_uncharge_folios(&free_folios); + free_unref_folios(&free_folios); spin_lock_irq(&lruvec->lru_lock); - } else - list_add(&folio->lru, &folios_to_free); + } continue; } @@ -1841,10 +1841,12 @@ static unsigned int move_folios_to_lru(struct lruvec *lruvec, workingset_age_nonresident(lruvec, nr_pages); } - /* - * To save our caller's stack, now use input list for pages to free. - */ - list_splice(&folios_to_free, list); + if (free_folios.nr) { + spin_unlock_irq(&lruvec->lru_lock); + mem_cgroup_uncharge_folios(&free_folios); + free_unref_folios(&free_folios); + spin_lock_irq(&lruvec->lru_lock); + } return nr_moved; } @@ -1923,8 +1925,6 @@ static unsigned long shrink_inactive_list(unsigned long nr_to_scan, spin_unlock_irq(&lruvec->lru_lock); lru_note_cost(lruvec, file, stat.nr_pageout, nr_scanned - nr_reclaimed); - mem_cgroup_uncharge_list(&folio_list); - free_unref_page_list(&folio_list); /* * If dirty folios are scanned that are not queued for IO, it @@ -2065,8 +2065,6 @@ static void shrink_active_list(unsigned long nr_to_scan, nr_activate = move_folios_to_lru(lruvec, &l_active); nr_deactivate = move_folios_to_lru(lruvec, &l_inactive); - /* Keep all free folios in l_active list */ - list_splice(&l_inactive, &l_active); __count_vm_events(PGDEACTIVATE, nr_deactivate); __count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE, nr_deactivate); @@ -2076,8 +2074,6 @@ static void shrink_active_list(unsigned long nr_to_scan, if (nr_rotated) lru_note_cost(lruvec, file, 0, nr_rotated); - mem_cgroup_uncharge_list(&l_active); - free_unref_page_list(&l_active); trace_mm_vmscan_lru_shrink_active(pgdat->node_id, nr_taken, nr_activate, nr_deactivate, nr_rotated, sc->priority, file); } @@ -4578,10 +4574,6 @@ retry: spin_unlock_irq(&lruvec->lru_lock); - mem_cgroup_uncharge_list(&list); - free_unref_page_list(&list); - - INIT_LIST_HEAD(&list); list_splice_init(&clean, &list); if (!list_empty(&list)) { |