tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10 head: f6d2f336816428b2abedbaed3ce2713763b0e68c commit: e7e403962735ee554bd93e3050bad212fd8c665d [120/151] BACKPORT: FROMLIST: mm: multigenerational lru: Kconfig config: i386-randconfig-a015-20210712 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.10 git checkout e7e403962735ee554bd93e3050bad212fd8c665d # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=i386 prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): In file included from include/linux/mmzone.h:19, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:20, from arch/x86/kernel/asm-offsets.c:9: 104 | #error "Not enough bits in page flags" | ^~~~~ -- In file included from include/linux/mmzone.h:19, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:20, from arch/x86/kernel/asm-offsets.c:9: 104 | #error "Not enough bits in page flags" | ^~~~~ make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1218: prepare0] Error 2 make[1]: Target 'modules_prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'modules_prepare' not remade because of errors. -- In file included from include/linux/mmzone.h:19, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:20, from arch/x86/kernel/asm-offsets.c:9: 104 | #error "Not enough bits in page flags" | ^~~~~ make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1218: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:185: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +104 include/linux/page-flags-layout.h 75980e97daccfc Peter Zijlstra 2013-02-22 101 5d9f844e96a7e1 Yu Zhao 2021-01-25 102 #if SECTIONS_WIDTH+ZONES_WIDTH+LRU_GEN_WIDTH+LRU_USAGE_WIDTH+NODES_WIDTH+LAST_CPUPID_WIDTH+KASAN_TAG_WIDTH \ 2813b9c0296259 Andrey Konovalov 2018-12-28 103 > BITS_PER_LONG - NR_PAGEFLAGS ee38d94a0ad898 Arnd Bergmann 2019-08-02 @104 #error "Not enough bits in page flags" 2813b9c0296259 Andrey Konovalov 2018-12-28 105 #endif 2813b9c0296259 Andrey Konovalov 2018-12-28 106 :::::: The code at line 104 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