Hi Michal, [auto build test ERROR on next-20160229] [also build test ERROR on v4.5-rc6] [cannot apply to drm/drm-next drm-intel/for-linux-next v4.5-rc6 v4.5-rc5 v4.5-rc4] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Michal-Hocko/change-mmap_sem-taken-for-write-killable/20160229-213258 config: i386-randconfig-x004-201609 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): arch/x86/entry/vdso/vma.c: In function 'map_vdso': >> arch/x86/entry/vdso/vma.c:177:6: error: implicit declaration of function 'down_write_killable' [-Werror=implicit-function-declaration] if (down_write_killable(&mm->mmap_sem)) ^ cc1: some warnings being treated as errors vim +/down_write_killable +177 arch/x86/entry/vdso/vma.c 171 addr = vdso_addr(current->mm->start_stack, 172 image->size - image->sym_vvar_start); 173 } else { 174 addr = 0; 175 } 176 > 177 if (down_write_killable(&mm->mmap_sem)) 178 return -EINTR; 179 180 addr = get_unmapped_area(NULL, addr, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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