[PATCH v2 05/16] mm/page_alloc: add __init annotations to init_mem_debugging_and_hardening()

From: Miaohe Lin
Date: Fri Sep 16 2022 - 03:23:48 EST


It's only called by mm_init(). Add __init annotations to it.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
---
include/linux/mm.h | 2 +-
mm/page_alloc.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 364bcadb4d20..c2277f5aba9e 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3093,7 +3093,7 @@ extern int apply_to_existing_page_range(struct mm_struct *mm,
unsigned long address, unsigned long size,
pte_fn_t fn, void *data);

-extern void init_mem_debugging_and_hardening(void);
+extern void __init init_mem_debugging_and_hardening(void);
#ifdef CONFIG_PAGE_POISONING
extern void __kernel_poison_pages(struct page *page, int numpages);
extern void __kernel_unpoison_pages(struct page *page, int numpages);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 762619463bb5..27ef763bb59f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -903,7 +903,7 @@ static inline void clear_page_guard(struct zone *zone, struct page *page,
* order of appearance. So we need to first gather the full picture of what was
* enabled, and then make decisions.
*/
-void init_mem_debugging_and_hardening(void)
+void __init init_mem_debugging_and_hardening(void)
{
bool page_poisoning_requested = false;

--
2.23.0