When building with W=1: arch/m68k/atari/stram.c:118:12: warning: no previous prototype for ‘atari_stram_map_pages’ [-Wmissing-prototypes] 118 | int __init atari_stram_map_pages(void) | ^~~~~~~~~~~~~~~~~~~~~ Fix this by making atari_stram_map_pages() static. There was never a user outside arch/m68k/atari/stram.c. Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> --- arch/m68k/atari/stram.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c index ce79b322a99cbda4..922e53bcb853289d 100644 --- a/arch/m68k/atari/stram.c +++ b/arch/m68k/atari/stram.c @@ -115,7 +115,7 @@ void __init atari_stram_reserve_pages(void *start_mem) * This function is called as arch initcall to reserve the pages needed for * ST-RAM management, if the kernel does not reside in ST-RAM. */ -int __init atari_stram_map_pages(void) +static int __init atari_stram_map_pages(void) { if (!kernel_in_stram) { /* -- 2.34.1