Commit 5749fcc5 authored by Miaohe Lin's avatar Miaohe Lin Committed by Andrew Morton
Browse files

mm/page_alloc: add __init annotations to init_mem_debugging_and_hardening() 

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

Link: https://lkml.kernel.org/r/20220916072257.9639-6-linmiaohe@huawei.com


Signed-off-by: default avatarMiaohe Lin <linmiaohe@huawei.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Reviewed-by: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: default avatarOscar Salvador <osalvador@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 709924bc

include/linux/mm.h

+1 −1
Original line number Diff line number Diff line
@@ -3092,7 +3092,7 @@ 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);

mm/page_alloc.c

+1 −1
Original line number Diff line number Diff line
@@ -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;