tree: feng/pcache_cleanup head: a20ca1d06794ad410f289251bf9e9abb781e9008 commit: d9e77a90d78df9cc9bfb37c436073110ebc62dc1 [52/54] page-flag: add PG_good config: i386-debian-10.3 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout d9e77a90d78df9cc9bfb37c436073110ebc62dc1 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:19:0, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: #error "Not enough bits in page flags" ^~~~~ In file included from include/linux/memcontrol.h:20:0, from include/linux/swap.h:9, from include/linux/suspend.h:5, from arch/x86/kernel/asm-offsets.c:13: include/linux/mm.h:929:2: error: #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS ^~~~~ make[2]: *** [scripts/Makefile.build:99: 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:179: sub-make] Error 2 32 real 8 user 19 sys 85.59% cpu make prepare vim +95 include/linux/page-flags-layout.h 75980e97daccfc Peter Zijlstra 2013-02-22 92 2813b9c0296259 Andrey Konovalov 2018-12-28 93 #if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH+LAST_CPUPID_WIDTH+KASAN_TAG_WIDTH \ 2813b9c0296259 Andrey Konovalov 2018-12-28 94 > BITS_PER_LONG - NR_PAGEFLAGS ee38d94a0ad898 Arnd Bergmann 2019-08-02 @95 #error "Not enough bits in page flags" 2813b9c0296259 Andrey Konovalov 2018-12-28 96 #endif 2813b9c0296259 Andrey Konovalov 2018-12-28 97 :::::: The code at line 95 was first introduced by commit :::::: ee38d94a0ad89890b770f6c876263cf9fcbfde84 page flags: prioritize kasan bits over last-cpuid :::::: TO: Arnd Bergmann <arnd(a)arndb.de&gt; :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org