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

From: Yu Zhao <redacted>
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@google.com/ (local)
Link: https://lkml.kernel.org/r/20210122220600.906146-11-yuzhao@google.com
Signed-off-by: Yu Zhao <redacted>
Reviewed-by: Alex Shi <redacted>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <redacted>
Cc: Vladimir Davydov <redacted>
Cc: Vlastimil Babka <redacted>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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;

_