tree: https://github.com/alexshi/linux.git lruiso head: 4ccbb7df391bca106655c01fe1fdb30db3f67899 commit: 4ccbb7df391bca106655c01fe1fdb30db3f67899 [20/20] debug config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-6) 7.4.0 reproduce: git checkout 4ccbb7df391bca106655c01fe1fdb30db3f67899 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/swap.h:9:0, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: include/linux/memcontrol.h: In function 'page_is_charge': return test_bit(PAGE_EXT_charge, &page_ext->flags); ^~~~~~~~~~~~~~~ page_is_charge include/linux/memcontrol.h:1359:18: note: each undeclared identifier is reported only once for each function it appears in return test_bit(PAGE_EXT_charge, &page_ext->flags); ^~ include/linux/memcontrol.h: In function 'page_is_move': return test_bit(PAGE_EXT_move, &page_ext->flags); ^~~~~~~~~~~~~ include/linux/memcontrol.h: In function 'set_page_move': include/linux/memcontrol.h:1379:10: error: 'PAGE_EXT_move' undeclared (first use in this function) set_bit(PAGE_EXT_move, &page_ext->flags); ^~~~~~~~~~~~~ include/linux/memcontrol.h: In function 'set_page_charge': include/linux/memcontrol.h:1389:10: error: 'PAGE_EXT_charge' undeclared (first use in this function); did you mean 'page_is_charge'? set_bit(PAGE_EXT_charge, &page_ext->flags); ^~~~~~~~~~~~~~~ page_is_charge make[2]: *** [scripts/Makefile.build:101: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1113: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:180: sub-make] Error 2 23 real 7 user 10 sys 76.90% cpu make prepare vim +1359 include/linux/memcontrol.h 1351 1352 static inline bool page_is_charge(struct page *page) 1353 { 1354 struct page_ext *page_ext = lookup_page_ext(page); 1355 1356 if (unlikely(!page_ext)) 1357 return false; 1358 1360 } 1361 1362 static inline bool page_is_move(struct page *page) 1363 { 1364 struct page_ext *page_ext = lookup_page_ext(page); 1365 1366 if (unlikely(!page_ext)) 1367 return false; 1368 1370 } 1371 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org