mm: multi-gen LRU: rename lrugen->lists[] to lrugen->folios[]

commit 6df1b2212950aae2b2188c6645ea18e2a9e3fdd5 upstream.

lru_gen_folio will be chained into per-node lists by the coming
lrugen->list.

Link: https://lkml.kernel.org/r/20221222041905.2431096-3-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michael Larabel <Michael@MichaelLarabel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 10 insertions, 10 deletions

diff --git a/mm/vmscan.c b/mm/vmscan.c
index d18296109aa7..0400e3b45079 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -4258,7 +4258,7 @@ static bool inc_min_seq(struct lruvec *lruvec, int type, bool can_swap)
 
 	/* prevent cold/hot inversion if force_scan is true */
 	for (zone = 0; zone < MAX_NR_ZONES; zone++) {
-		struct list_head *head = &lrugen->lists[old_gen][type][zone];
+		struct list_head *head = &lrugen->folios[old_gen][type][zone];
 
 		while (!list_empty(head)) {
 			struct folio *folio = lru_to_folio(head);
@@ -4269,7 +4269,7 @@ static bool inc_min_seq(struct lruvec *lruvec, int type, bool can_swap)
 			VM_WARN_ON_ONCE_FOLIO(folio_zonenum(folio) != zone, folio);
 
 			new_gen = folio_inc_gen(lruvec, folio, false);
-			list_move_tail(&folio->lru, &lrugen->lists[new_gen][type][zone]);
+			list_move_tail(&folio->lru, &lrugen->folios[new_gen][type][zone]);
 
 			if (!--remaining)
 				return false;
@@ -4297,7 +4297,7 @@ static bool try_to_inc_min_seq(struct lruvec *lruvec, bool can_swap)
 			gen = lru_gen_from_seq(min_seq[type]);
 
 			for (zone = 0; zone < MAX_NR_ZONES; zone++) {
-				if (!list_empty(&lrugen->lists[gen][type][zone]))
+				if (!list_empty(&lrugen->folios[gen][type][zone]))
 					goto next;
 			}
 
@@ -4762,7 +4762,7 @@ static bool sort_folio(struct lruvec *lruvec, struct folio *folio, int tier_idx)
 
 	/* promoted */
 	if (gen != lru_gen_from_seq(lrugen->min_seq[type])) {
-		list_move(&folio->lru, &lrugen->lists[gen][type][zone]);
+		list_move(&folio->lru, &lrugen->folios[gen][type][zone]);
 		return true;
 	}
 
@@ -4771,7 +4771,7 @@ static bool sort_folio(struct lruvec *lruvec, struct folio *folio, int tier_idx)
 		int hist = lru_hist_from_seq(lrugen->min_seq[type]);
 
 		gen = folio_inc_gen(lruvec, folio, false);
-		list_move_tail(&folio->lru, &lrugen->lists[gen][type][zone]);
+		list_move_tail(&folio->lru, &lrugen->folios[gen][type][zone]);
 
 		WRITE_ONCE(lrugen->protected[hist][type][tier - 1],
 			   lrugen->protected[hist][type][tier - 1] + delta);
@@ -4783,7 +4783,7 @@ static bool sort_folio(struct lruvec *lruvec, struct folio *folio, int tier_idx)
 	if (folio_test_locked(folio) || folio_test_writeback(folio) ||
 	    (type == LRU_GEN_FILE && folio_test_dirty(folio))) {
 		gen = folio_inc_gen(lruvec, folio, true);
-		list_move(&folio->lru, &lrugen->lists[gen][type][zone]);
+		list_move(&folio->lru, &lrugen->folios[gen][type][zone]);
 		return true;
 	}
 
@@ -4850,7 +4850,7 @@ static int scan_folios(struct lruvec *lruvec, struct scan_control *sc,
 	for (zone = sc->reclaim_idx; zone >= 0; zone--) {
 		LIST_HEAD(moved);
 		int skipped = 0;
-		struct list_head *head = &lrugen->lists[gen][type][zone];
+		struct list_head *head = &lrugen->folios[gen][type][zone];
 
 		while (!list_empty(head)) {
 			struct folio *folio = lru_to_folio(head);
@@ -5250,7 +5250,7 @@ static bool __maybe_unused state_is_valid(struct lruvec *lruvec)
 		int gen, type, zone;
 
 		for_each_gen_type_zone(gen, type, zone) {
-			if (!list_empty(&lrugen->lists[gen][type][zone]))
+			if (!list_empty(&lrugen->folios[gen][type][zone]))
 				return false;
 		}
 	}
@@ -5295,7 +5295,7 @@ static bool drain_evictable(struct lruvec *lruvec)
 	int remaining = MAX_LRU_BATCH;
 
 	for_each_gen_type_zone(gen, type, zone) {
-		struct list_head *head = &lruvec->lrugen.lists[gen][type][zone];
+		struct list_head *head = &lruvec->lrugen.folios[gen][type][zone];
 
 		while (!list_empty(head)) {
 			bool success;
@@ -5832,7 +5832,7 @@ void lru_gen_init_lruvec(struct lruvec *lruvec)
 		lrugen->timestamps[i] = jiffies;
 
 	for_each_gen_type_zone(gen, type, zone)
-		INIT_LIST_HEAD(&lrugen->lists[gen][type][zone]);
+		INIT_LIST_HEAD(&lrugen->folios[gen][type][zone]);
 
 	lruvec->mm_state.seq = MIN_NR_GENS;
 	init_waitqueue_head(&lruvec->mm_state.wait);