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Subject[arm-integrator:kernel-in-vmalloc-v5.18-rc1 6/9] arch/arm/mm/init.c:266:13: warning: no previous prototype for function 'mem_init_print_arm_info'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v5.18-rc1
head: 67a8d6eb3d015908f35d6091c02f17d7c3b55bf3
commit: e916acde63f41816676698a5d750588269d0fd64 [6/9] ARM: Print virtual memory info again
config: arm-buildonly-randconfig-r002-20220516 (https://download.01.org/0day-ci/archive/20220517/202205171937.w9TJHq6B-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 853fa8ee225edf2d0de94b0dcbd31bea916e825e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=e916acde63f41816676698a5d750588269d0fd64
git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
git fetch --no-tags arm-integrator kernel-in-vmalloc-v5.18-rc1
git checkout e916acde63f41816676698a5d750588269d0fd64
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash arch/arm/mm/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

arch/arm/mm/init.c:97:13: warning: no previous prototype for function 'setup_dma_zone' [-Wmissing-prototypes]
void __init setup_dma_zone(const struct machine_desc *mdesc)
^
arch/arm/mm/init.c:97:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init setup_dma_zone(const struct machine_desc *mdesc)
^
static
>> arch/arm/mm/init.c:266:13: warning: no previous prototype for function 'mem_init_print_arm_info' [-Wmissing-prototypes]
void __init mem_init_print_arm_info(void)
^
arch/arm/mm/init.c:266:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void __init mem_init_print_arm_info(void)
^
static
2 warnings generated.


vim +/mem_init_print_arm_info +266 arch/arm/mm/init.c

265
> 266 void __init mem_init_print_arm_info(void)
267 {
268 #define MLM(b, t) b, t, ((t) - (b)) >> 20
269 pr_notice("Virtual kernel memory layout:\n"
270 " fixmap : 0x%08lx - 0x%08lx (%4ld MB)\n"
271 " vmalloc : 0x%08lx - 0x%08lx (%4ld MB)\n"
272 " lowmem : 0x%08lx - 0x%08lx (%4ld MB)\n"
273 #ifdef CONFIG_MODULES
274 " modules : 0x%08lx - 0x%08lx (%4ld MB)\n",
275 #endif
276 " kernel : 0x%08lx - 0x%08lx (%4ld MB)\n",
277 MLM(FIXADDR_START, FIXADDR_END),
278 MLM(VMALLOC_START, VMALLOC_END),
279 MLM(PAGE_OFFSET, (unsigned long)high_memory),
280 #ifdef CONFIG_MODULES
281 MLM(MODULES_VADDR, MODULES_END),
282 #endif
283 /* From beginning of .text to end of .bss */
284 MLM((unsigned long)_text, (unsigned long)__bss_stop));
285 #undef MLM
286 }
287

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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