Hi Igor, [auto build test ERROR on mmotm/master] [cannot apply to linus/master linux/master v4.12-rc7 next-20170626] [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/Igor-Stoppa/ro-protection-for-dynamic-data/20170627-103230 base: git://git.cmpxchg.org/linux-mmotm.git master config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 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=ia64 All errors (new ones prefixed by >>): init/built-in.o: In function `start_kernel': (.init.text+0x1832): undefined reference to `pmalloc_init' mm/built-in.o: In function `__check_object_size': (.text+0x14f1b2): undefined reference to `__pmalloc_check_object' security/built-in.o: In function `security_init': >> (.init.text+0x802): undefined reference to `pmalloc_create_pool' security/built-in.o: In function `security_init': >> (.init.text+0x832): undefined reference to `pmalloc' security/built-in.o: In function `security_init': >> (.init.text+0x9d2): undefined reference to `pmalloc_protect_pool' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation