[linux-next:master 2372/3296] ksm_tests.c:3:10: fatal error: sys/mman.h: No such file or directory

[linux-next:master 2372/3296] ksm_tests.c:3:10: fatal error: sys/mman.h: No such file or directory

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   90d856e71443a2fcacca8e7539bac44d9cb3f7ab
commit: ca83b8287c5760f8854b6fcf98d6e10d146ab8bd [2372/3296] selftests: vm: add KSM merge test
config: openrisc-randconfig-s031-20210726 (attached as .config)
compiler: or1k-linux-gcc (GCC) 10.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ca83b8287c5760f8854b6fcf98d6e10d146ab8bd
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout ca83b8287c5760f8854b6fcf98d6e10d146ab8bd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=openrisc SHELL=/bin/bash -C tools/testing/selftests/vm install

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 >>):

>> ksm_tests.c:3:10: fatal error: sys/mman.h: No such file or directory
       3 | #include <sys/mman.h>
         |          ^~~~~~~~~~~~
   compilation terminated.

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

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