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; _
