Hi Vishal, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on next-20230417] [cannot apply to s390/features powerpc/next powerpc/fixes geert-m68k/for-next geert-m68k/for-linus linus/master v6.3-rc7] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Vishal-Moola-Oracle/s390-Use-_pt_s390_gaddr-for-gmap-address-tracking/20230418-045832 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230417205048.15870-25-vishal.moola%40gmail.com patch subject: [PATCH 24/33] m68k: Convert various functions to use ptdescs config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230418/202304180652.LeoLmaNQ-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/630b38053b213e6138d3deb3e4325b24ad6dcb1f git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vishal-Moola-Oracle/s390-Use-_pt_s390_gaddr-for-gmap-address-tracking/20230418-045832 git checkout 630b38053b213e6138d3deb3e4325b24ad6dcb1f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash arch/m68k/mm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304180652.LeoLmaNQ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): arch/m68k/mm/motorola.c: In function 'free_pointer_table': >> arch/m68k/mm/motorola.c:204:56: warning: passing argument 1 of 'virt_to_ptdesc' makes pointer from integer without a cast [-Wint-conversion] 204 | ptdesc_pte_dtor(virt_to_ptdesc(page)); | ^~~~ | | | long unsigned int In file included from arch/m68k/mm/motorola.c:15: include/linux/mm.h:2721:57: note: expected 'const void *' but argument is of type 'long unsigned int' 2721 | static inline struct ptdesc *virt_to_ptdesc(const void *x) | ~~~~~~~~~~~~^ arch/m68k/mm/motorola.c: At top level: arch/m68k/mm/motorola.c:418:13: warning: no previous prototype for 'paging_init' [-Wmissing-prototypes] 418 | void __init paging_init(void) | ^~~~~~~~~~~ vim +/virt_to_ptdesc +204 arch/m68k/mm/motorola.c 185 186 int free_pointer_table(void *table, int type) 187 { 188 ptable_desc *dp; 189 unsigned long ptable = (unsigned long)table; 190 unsigned long page = ptable & PAGE_MASK; 191 unsigned int mask = 1U << ((ptable - page)/ptable_size(type)); 192 193 dp = PD_PTABLE(page); 194 if (PD_MARKBITS (dp) & mask) 195 panic ("table already free!"); 196 197 PD_MARKBITS (dp) |= mask; 198 199 if (PD_MARKBITS(dp) == ptable_mask(type)) { 200 /* all tables in page are free, free page */ 201 list_del(dp); 202 mmu_page_dtor((void *)page); 203 if (type == TABLE_PTE) > 204 ptdesc_pte_dtor(virt_to_ptdesc(page)); 205 free_page (page); 206 return 1; 207 } else if (ptable_list[type].next != dp) { 208 /* 209 * move this descriptor to the front of the list, since 210 * it has one or more free tables. 211 */ 212 list_move(dp, &ptable_list[type]); 213 } 214 return 0; 215 } 216 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
