Hi Christophe, I love your patch! Yet something to improve:
[auto build test ERROR on v5.7-rc4] [cannot apply to powerpc/next next-20200507] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/Use-hugepages-to-map-kernel-mem-on-8xx/20200507-060838 base: 0e698dfa282211e414076f9dc7e83c1c288314fd config: powerpc-randconfig-r013-20200507 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): arch/powerpc/mm/ptdump/ptdump.c: In function 'walk_pmd': >> arch/powerpc/mm/ptdump/ptdump.c:285:42: error: 'PTE_SHIFT' undeclared (first >> use in this function); did you mean 'PUD_SHIFT'? 285 | note_page(st, addr, 3, pmd_val(*pmd), PTE_SHIFT); | ^~~~~~~~~ | PUD_SHIFT arch/powerpc/mm/ptdump/ptdump.c:285:42: note: each undeclared identifier is reported only once for each function it appears in vim +285 arch/powerpc/mm/ptdump/ptdump.c 272 273 static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) 274 { 275 pmd_t *pmd = pmd_offset(pud, 0); 276 unsigned long addr; 277 unsigned int i; 278 279 for (i = 0; i < PTRS_PER_PMD; i++, pmd++) { 280 addr = start + i * PMD_SIZE; 281 if (!pmd_none(*pmd) && !pmd_is_leaf(*pmd)) 282 /* pmd exists */ 283 walk_pte(st, pmd, addr); 284 else > 285 note_page(st, addr, 3, pmd_val(*pmd), > PTE_SHIFT); 286 } 287 } 288 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
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