[PATCH 12/13] 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")

This change should have no side effects.

Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx>
---
 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 8379432f4f2f..c2b1f1d363cc 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -842,8 +842,6 @@ 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 4688e495c242..367843296c21 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -312,7 +312,8 @@ 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;
-- 
2.28.0.681.g6f77f65b4e-goog