tree: git://git.infradead.org/users/jjs/linux-tpmdd master head: 2feacb45cc29cf4fbb3783372ca096ea4d4fd761 commit: 371b14cb93831ac738a90a33c761ac16e05b8553 [14/16] tpm: Move tpm_buf code to include/linux/ config: nds32-allyesconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 8.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 371b14cb93831ac738a90a33c761ac16e05b8553 # save the attached .config to linux build tree GCC_VERSION=8.1.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/slab.h:15, from crypto/asymmetric_keys/asym_tpm.c:3: include/linux/tpm.h: In function 'tpm_buf_destroy': free_page(buf->data); include/linux/gfp.h:555:37: note: in definition of macro 'free_page' #define free_page(addr) free_pages((addr), 0) ^~~~ include/linux/gfp.h:544:38: note: expected 'long unsigned int' but argument is of type 'u8 *' {aka 'unsigned char *'} extern void free_pages(unsigned long addr, unsigned int order); ~~~~~~~~~~~~~~^~~~ vim +/free_pages +318 include/linux/tpm.h 315 316 static inline void tpm_buf_destroy(struct tpm_buf *buf) 317 { 319 } 320 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation