[patch 144/173] mm/vmscan.c: make lruvec_lru_size() static

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From: Yu Zhao <yuzhao@xxxxxxxxxx>
Subject: mm/vmscan.c: make lruvec_lru_size() static

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/
Link: https://lkml.kernel.org/r/20210122220600.906146-11-yuzhao@xxxxxxxxxx
Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx>
Reviewed-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/mmzone.h |    2 --
 mm/vmscan.c            |    3 ++-
 2 files changed, 2 insertions(+), 3 deletions(-)

--- a/include/linux/mmzone.h~mm-make-lruvec_lru_size-static
+++ a/include/linux/mmzone.h
@@ -892,8 +892,6 @@ static inline struct pglist_data *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
--- a/mm/vmscan.c~mm-make-lruvec_lru_size-static
+++ a/mm/vmscan.c
@@ -310,7 +310,8 @@ unsigned long zone_reclaimable_pages(str
  * @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;
_




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