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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 <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Miaohe Lin 2023-06-17 11:46:22 +08:00 committed by Andrew Morton
parent ff71f26f97
commit cf01724e2d
2 changed files with 1 additions and 2 deletions
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1
include/linux/mm.h
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@ -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)

2
mm/page_alloc.c
View File

@ -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