From: Arnd Bergmann <arnd@xxxxxxxx> The set_highmem_pages_init() function is declared in asm/numa.h, which must be included in the file that defines it to avoid a W=1 warning: arch/x86/mm/highmem_32.c:7:13: error: no previous prototype for 'set_highmem_pages_init' [-Werror=missing-prototypes] Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- arch/x86/mm/highmem_32.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index 2c54b76d8f84..d9efa35711ee 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -3,6 +3,7 @@ #include <linux/export.h> #include <linux/swap.h> /* for totalram_pages */ #include <linux/memblock.h> +#include <asm/numa.h> void __init set_highmem_pages_init(void) { -- 2.39.2