[PATCH v2 10/10] mm: make lruvec_lru_size() static

[Yu Zhao]

All other references to the function were removed after
commit b910718a948a ("mm: vmscan: detect file thrashing at the reclaim
root").

Link: https://lore.kernel.org/linux-mm/20201207220949.830352-11-yuzhao@xxxxxxxxxx/
Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx>
Reviewed-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
---
 include/linux/mmzone.h | 2 --
 mm/vmscan.c            | 3 ++-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index ae588b2f87ef..844bb93d2a1e 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -892,8 +892,6 @@ static inline struct pglist_data *lruvec_pgdat(struct lruvec *lruvec)
 #endif
 }
 
-extern unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru, int zone_idx);
-
 #ifdef CONFIG_HAVE_MEMORYLESS_NODES
 int local_memory_node(int node_id);
 #else
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 348a90096550..fea6b43bc1f9 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -310,7 +310,8 @@ unsigned long zone_reclaimable_pages(struct zone *zone)
  * @lru: lru to use
  * @zone_idx: zones to consider (use MAX_NR_ZONES for the whole LRU list)
  */
-unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru, int zone_idx)
+static unsigned long lruvec_lru_size(struct lruvec *lruvec, enum lru_list lru,
+				     int zone_idx)
 {
 	unsigned long size = 0;
 	int zid;
-- 
2.30.0.280.ga3ce27912f-goog