Hi Ard, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.12-rc3 next-20170602] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Ard-Biesheuvel/mm-vmalloc-make-vmalloc_to_page-deal-with-PMD-PUD-mappings/20170603-021745 base: git://git.cmpxchg.org/linux-mmotm.git master config: parisc-allmodconfig (attached as .config) compiler: hppa-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=parisc All error/warnings (new ones prefixed by >>): In file included from arch/parisc/include/asm/pgtable.h:4:0, from include/linux/mm.h:70, from mm/vmalloc.c:12: mm/vmalloc.c: In function 'vmalloc_to_page': >> include/asm-generic/4level-fixup.h:26:25: error: implicit declaration of function 'pgd_page' [-Werror=implicit-function-declaration] #define pud_page(pud) pgd_page(pud) ^ >> mm/vmalloc.c:295:10: note: in expansion of macro 'pud_page' return pud_page(*pud) + ((addr & ~PUD_MASK) >> PAGE_SHIFT); ^~~~~~~~ >> mm/vmalloc.c:295:25: warning: return makes pointer from integer without a cast [-Wint-conversion] return pud_page(*pud) + ((addr & ~PUD_MASK) >> PAGE_SHIFT); cc1: some warnings being treated as errors vim +/pud_page +295 mm/vmalloc.c 279 /* 280 * XXX we might need to change this if we add VIRTUAL_BUG_ON for 281 * architectures that do not vmalloc module space 282 */ 283 VIRTUAL_BUG_ON(!is_vmalloc_or_module_addr(vmalloc_addr)); 284 285 if (pgd_none(*pgd)) 286 return NULL; 287 p4d = p4d_offset(pgd, addr); 288 if (p4d_none(*p4d)) 289 return NULL; 290 pud = pud_offset(p4d, addr); 291 if (pud_none(*pud)) 292 return NULL; 293 if (pud_huge(*pud)) { 294 VM_BUG_ON(!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)); > 295 return pud_page(*pud) + ((addr & ~PUD_MASK) >> PAGE_SHIFT); 296 } 297 pmd = pmd_offset(pud, addr); 298 if (pmd_none(*pmd)) 299 return NULL; 300 if (pmd_huge(*pmd)) { 301 VM_BUG_ON(!IS_ENABLED(CONFIG_HAVE_ARCH_HUGE_VMAP)); 302 return pmd_page(*pmd) + ((addr & ~PMD_MASK) >> PAGE_SHIFT); 303 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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