It's only used inside page_alloc.c now. So make it static and remove the
declaration in mm.h.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
include/linux/mm.h | 1 -
mm/page_alloc.c | 2 +-
2 files changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fdd966b11f79..441ab55e94c5 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1220,7 +1220,6 @@ enum compound_dtor_id {
#endif
NR_COMPOUND_DTORS,
};
-extern compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS];
static inline void folio_set_compound_dtor(struct folio *folio,
enum compound_dtor_id compound_dtor)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9eb42182eb90..3ab51fb9191c 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -284,7 +284,7 @@ const char * const migratetype_names[MIGRATE_TYPES] = {
#endif
};
-compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS] = {
+static compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS] = {
[NULL_COMPOUND_DTOR] = NULL,
[COMPOUND_PAGE_DTOR] = free_compound_page,
#ifdef CONFIG_HUGETLB_PAGE
--
2.27.0
