diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 0507193b3ae3..1cc5ea506b7c 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -323,6 +323,8 @@ enum node_stat_item { PGSCAN_PROACTIVE, PGSCAN_ANON, PGSCAN_FILE, + PGROTATE_ANON, + PGROTATE_FILE, PGREFILL, #ifdef CONFIG_HUGETLB_PAGE NR_HUGETLB, diff --git a/mm/memcontrol.c b/mm/memcontrol.c index d804f8d07581..011bb3b0346b 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -425,6 +425,8 @@ static const unsigned int memcg_node_stat_items[] = { PGSCAN_PROACTIVE, PGSCAN_ANON, PGSCAN_FILE, + PGROTATE_ANON, + PGROTATE_FILE, PGREFILL, #ifdef CONFIG_HUGETLB_PAGE NR_HUGETLB, diff --git a/mm/vmscan.c b/mm/vmscan.c index 5bad065a38f1..fa2c5cf577af 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2038,6 +2038,9 @@ static unsigned long shrink_inactive_list(unsigned long nr_to_scan, item = PGSTEAL_KSWAPD + reclaimer_offset(sc); mod_lruvec_state(lruvec, item, nr_reclaimed); mod_lruvec_state(lruvec, PGSTEAL_ANON + file, nr_reclaimed); + if (nr_scanned > nr_reclaimed) + mod_lruvec_state(lruvec, PGROTATE_ANON + file, + nr_scanned - nr_reclaimed); lruvec_lock_irq(lruvec); lru_note_cost_unlock_irq(lruvec, file, stat.nr_pageout, @@ -2147,6 +2150,8 @@ static void shrink_active_list(unsigned long nr_to_scan, count_vm_events(PGDEACTIVATE, nr_deactivate); count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE, nr_deactivate); mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken); + if (nr_rotated) + mod_lruvec_state(lruvec, PGROTATE_ANON + file, nr_rotated); lruvec_lock_irq(lruvec); lru_note_cost_unlock_irq(lruvec, file, 0, nr_rotated); @@ -4828,7 +4833,8 @@ static int evict_folios(unsigned long nr_to_scan, struct lruvec *lruvec, struct reclaim_stat stat; struct lru_gen_mm_walk *walk; int scanned, reclaimed; - int isolated = 0, type, type_scanned; + int isolated = 0, nr_isolated = 0, type, type_scanned; + unsigned long total_reclaimed = 0; bool skip_retry = false; struct mem_cgroup *memcg = lruvec_memcg(lruvec); struct pglist_data *pgdat = lruvec_pgdat(lruvec); @@ -4840,6 +4846,7 @@ static int evict_folios(unsigned long nr_to_scan, struct lruvec *lruvec, scanned = isolate_folios(nr_to_scan, lruvec, sc, swappiness, &list, &isolated, &type, &type_scanned); + nr_isolated = isolated; /* Scanning may have emptied the oldest gen, flush it */ if (scanned) @@ -4852,6 +4859,7 @@ static int evict_folios(unsigned long nr_to_scan, struct lruvec *lruvec, retry: reclaimed = shrink_folio_list(&list, pgdat, sc, &stat, false, memcg); sc->nr_reclaimed += reclaimed; + total_reclaimed += reclaimed; /* Retry pass is only meant for clean folios without new isolation */ if (isolated) handle_reclaim_writeback(isolated, pgdat, sc, &stat); @@ -4903,6 +4911,10 @@ static int evict_folios(unsigned long nr_to_scan, struct lruvec *lruvec, goto retry; } + if (nr_isolated > total_reclaimed) + mod_lruvec_state(lruvec, PGROTATE_ANON + type, + nr_isolated - total_reclaimed); + return scanned; } diff --git a/mm/vmstat.c b/mm/vmstat.c index 507118474c03..7d6e61a01f51 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1301,6 +1301,8 @@ const char * const vmstat_text[] = { [I(PGSCAN_PROACTIVE)] = "pgscan_proactive", [I(PGSCAN_ANON)] = "pgscan_anon", [I(PGSCAN_FILE)] = "pgscan_file", + [I(PGROTATE_ANON)] = "pgrotate_anon", + [I(PGROTATE_FILE)] = "pgrotate_file", [I(PGREFILL)] = "pgrefill", #ifdef CONFIG_HUGETLB_PAGE [I(NR_HUGETLB)] = "nr_hugetlb",