tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next head: 7fdabab8f56239466275adea5d2f0a6fff27527b commit: 37af81c5998f4b0f23fb452cffa4b8a1c00ce95b [164/167] ALSA: core: Abstract memory alloc helpers config: h8300-randconfig-r006-20210610 (attached as .config) compiler: h8300-linux-gcc (GCC) 9.3.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?i... git remote add sound https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git git fetch --no-tags sound for-next git checkout 37af81c5998f4b0f23fb452cffa4b8a1c00ce95b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=h8300 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/sound/pcm.h:12, from sound/core/pcm_iec958.c:8: include/sound/memalloc.h: In function 'snd_sgbuf_aligned_pages': 63 | return (size + PAGE_SIZE - 1) >> PAGE_SHIFT; | ^~~~~~~~~ include/sound/memalloc.h:63:17: note: each undeclared identifier is reported only once for each function it appears in 63 | return (size + PAGE_SIZE - 1) >> PAGE_SHIFT; | ^~~~~~~~~~ vim +/PAGE_SIZE +63 include/sound/memalloc.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 57 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 58 /* 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 59 * return the pages matching with the given byte size 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 60 */ 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 61 static inline unsigned int snd_sgbuf_aligned_pages(size_t size) 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 62 { 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 @63 return (size + PAGE_SIZE - 1) >> PAGE_SHIFT; 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 64 } 4cae99d9b5305a Pierre-Louis Bossart 2018-07-25 65 :::::: The code at line 63 was first introduced by commit :::::: 4cae99d9b5305ab8cccc839fccceb81ec9e5abda ALSA: memalloc: declare snd_sgbuf_aligned_pages() unconditionally :::::: TO: Pierre-Louis Bossart <pierre-louis.bossart(a)linux.intel.com&gt; :::::: CC: Mark Brown <broonie(a)kernel.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org