From: Mike Rapoport <rppt@xxxxxxxxxxxxx> Subject: mm/page_alloc: make alloc_node_mem_map() __init rather than __ref alloc_node_mem_map() is never only called from free_area_init_node() that is an __init function. Make the actual alloc_node_mem_map() also __init and its stub version static inline. Link: https://lkml.kernel.org/r/20210716064124.31865-1-rppt@xxxxxxxxxx Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/page_alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/page_alloc.c~mm-page_alloc-make-alloc_node_mem_map-__init-rather-than-__ref +++ a/mm/page_alloc.c @@ -7515,7 +7515,7 @@ static void __init free_area_init_core(s } #ifdef CONFIG_FLATMEM -static void __ref alloc_node_mem_map(struct pglist_data *pgdat) +static void __init alloc_node_mem_map(struct pglist_data *pgdat) { unsigned long __maybe_unused start = 0; unsigned long __maybe_unused offset = 0; @@ -7561,7 +7561,7 @@ static void __ref alloc_node_mem_map(str #endif } #else -static void __ref alloc_node_mem_map(struct pglist_data *pgdat) { } +static inline void alloc_node_mem_map(struct pglist_data *pgdat) { } #endif /* CONFIG_FLATMEM */ #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT _