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 >>): kernel/fork.c: In function 'dup_mmap': >> kernel/fork.c:416:6: error: implicit declaration of function 'down_write_killable' [-Werror=implicit-function-declaration] if (down_write_killable(&oldmm->mmap_sem)) { ^ cc1: some warnings being treated as errors vim +/down_write_killable +416 kernel/fork.c 410 struct vm_area_struct *mpnt, *tmp, *prev, **pprev; 411 struct rb_node **rb_link, *rb_parent; 412 int retval; 413 unsigned long charge; 414 415 uprobe_start_dup_mmap(); > 416 if (down_write_killable(&oldmm->mmap_sem)) { 417 uprobe_end_dup_mmap(); 418 return -EINTR; 419 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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