tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.13/drivers
head:   637d8f534626747ad165c9d28c6673d88d39399d
commit: 97d69b16cb973e04ea5309b9cb4356aa6b42c54e [44/80] bcache: add initial data structures for nvm pages
config: i386-randconfig-a012-20210419 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=97d69b16cb973e04ea5309b9cb4356aa6b42c54e
        git remote add block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
        git fetch --no-tags block for-5.13/drivers
        git checkout 97d69b16cb973e04ea5309b9cb4356aa6b42c54e
        # save the attached .config to linux build tree
        make W=1 W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from <command-line>:32:
>> ./usr/include/linux/bcache-nvm.h:109:3: error: #error "Non-64bit platform is not supported"
     109 |  #error "Non-64bit platform is not supported"
         |   ^~~~~

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org