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

From: Anshuman Khandual
Date: Tue Sep 13 2022 - 04:21:35 EST




On 9/9/22 14:54, Miaohe Lin wrote:
> It's only called by mm_init(). Add __init annotations to it.
>
> Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Reviewed-by: Anshuman Khandual <anshuman.khandual@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 c81f06d8a4f5..3497919f4ef5 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;
>