[PATCH bpf-next] bpf: Make array_map_mmap static

[YueHaibing <yuehaibing@xxxxxxxxxx>]

Fix sparse warning:

kernel/bpf/arraymap.c:481:5: warning:
 symbol 'array_map_mmap' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 kernel/bpf/arraymap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index a42097c..633c8c7 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -478,7 +478,7 @@ static int array_map_check_btf(const struct bpf_map *map,
 	return 0;
 }
 
-int array_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
+static int array_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
 {
 	struct bpf_array *array = container_of(map, struct bpf_array, map);
 	pgoff_t pgoff = PAGE_ALIGN(sizeof(*array)) >> PAGE_SHIFT;
-- 
2.7.4