linux-kernel - [PATCH v2 05/16] mm/page_alloc: add __init annotations to init_mem_debugging_and

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Date:   Fri, 16 Sep 2022 15:22:46 +0800
From:   Miaohe Lin <linmiaohe@...wei.com>
To:     <akpm@...ux-foundation.org>, <david@...hat.com>,
        <osalvador@...e.de>, <anshuman.khandual@....com>
CC:     <willy@...radead.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>, <linmiaohe@...wei.com>
Subject: [PATCH v2 05/16] mm/page_alloc: add __init annotations to init_mem_debugging_and_hardening()

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

Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
Reviewed-by: David Hildenbrand <david@...hat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@....com>
Reviewed-by: Oscar Salvador <osalvador@...e.de>
---
 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