[patch 094/146] vmscan: make drop_slab_node static

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From: Gang Li <ligang.bdlg@xxxxxxxxxxxxx>
Subject: vmscan: make drop_slab_node static

drop_slab_node is only used in drop_slab.  So remove it's declaration from
header file and add keyword static for it's definition.

Link: https://lkml.kernel.org/r/20211111062445.5236-1-ligang.bdlg@xxxxxxxxxxxxx
Signed-off-by: Gang Li <ligang.bdlg@xxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 include/linux/mm.h |    1 -
 mm/vmscan.c        |    2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

--- a/include/linux/mm.h~vmscan-make-drop_slab_node-static
+++ a/include/linux/mm.h
@@ -3122,7 +3122,6 @@ int drop_caches_sysctl_handler(struct ct
 #endif
 
 void drop_slab(void);
-void drop_slab_node(int nid);
 
 #ifndef CONFIG_MMU
 #define randomize_va_space 0
--- a/mm/vmscan.c~vmscan-make-drop_slab_node-static
+++ a/mm/vmscan.c
@@ -951,7 +951,7 @@ out:
 	return freed;
 }
 
-void drop_slab_node(int nid)
+static void drop_slab_node(int nid)
 {
 	unsigned long freed;
 	int shift = 0;
_



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