From: Muchun Song <songmuchun@xxxxxxxxxxxxx> Subject: mm/bootmem_info.c: mark __init on register_page_bootmem_info_section register_page_bootmem_info_section() is only called from __init functions, so mark it __init as well. Link: https://lkml.kernel.org/r/20210817042221.77172-1-songmuchun@xxxxxxxxxxxxx Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/bootmem_info.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/bootmem_info.c~mm-bootmem_info-mark-__init-on-register_page_bootmem_info_section +++ a/mm/bootmem_info.c @@ -39,7 +39,7 @@ void put_page_bootmem(struct page *page) } #ifndef CONFIG_SPARSEMEM_VMEMMAP -static void register_page_bootmem_info_section(unsigned long start_pfn) +static void __init register_page_bootmem_info_section(unsigned long start_pfn) { unsigned long mapsize, section_nr, i; struct mem_section *ms; @@ -74,7 +74,7 @@ static void register_page_bootmem_info_s } #else /* CONFIG_SPARSEMEM_VMEMMAP */ -static void register_page_bootmem_info_section(unsigned long start_pfn) +static void __init register_page_bootmem_info_section(unsigned long start_pfn) { unsigned long mapsize, section_nr, i; struct mem_section *ms; _