tree:   https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git pending
head:   13a47ea9e8feb1362eaf4601b5b40f7cea9174ff
commit: d32f5d14e6a5a1ed635dcda5f53b2579e823b39a [4/6] cxl/core: Move register mapping infrastructure
config: x86_64-randconfig-a004-20210730 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 4f71f59bf3d9914188a11d0c41bedbb339d36ff5)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/commit/?id=d32f5d14e6a5a1ed635dcda5f53b2579e823b39a
        git remote add cxl-cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git
        git fetch --no-tags cxl-cxl pending
        git checkout d32f5d14e6a5a1ed635dcda5f53b2579e823b39a
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash

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 >>):

>> drivers/cxl/core/regs.c:7:10: fatal error: 'mem.h' file not found
   #include <mem.h>
            ^~~~~~~
   1 error generated.


vim +7 drivers/cxl/core/regs.c

     3	
     4	#include <linux/device.h>
     5	#include <linux/slab.h>
     6	#include <linux/pci.h>
   > 7	#include <mem.h>
     8	

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