From cf01724e2d73a90524450e3dd8798cfb9d7aca05 Mon Sep 17 00:00:00 2001 From: Miaohe Lin Date: Sat, 17 Jun 2023 11:46:22 +0800 Subject: [PATCH] mm: page_alloc: make compound_page_dtors static It's only used inside page_alloc.c now. So make it static and remove the declaration in mm.h. Link: https://lkml.kernel.org/r/20230617034622.1235913-1-linmiaohe@huawei.com Signed-off-by: Miaohe Lin Signed-off-by: Andrew Morton --- 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 a8baa34d0747..cf43deb25553 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 6a18f2232e3e..5b8a9d610b72 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