so_netns_cookie.c:3:10: fatal error: sched.h: No such file or directory

so_netns_cookie.c:3:10: fatal error: sched.h: No such file or directory

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ff1176468d368232b684f75e82563369208bc371
commit: ae24bab257bb2043b53c80e65cdd8b507ace06c4 tools/testing: add a selftest for SO_NETNS_COOKIE
date:   5 weeks ago
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/torvalds/linux.git/commit/?id=ae24bab257bb2043b53c80e65cdd8b507ace06c4
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ae24bab257bb2043b53c80e65cdd8b507ace06c4
        # 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 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 >>):

>> so_netns_cookie.c:3:10: fatal error: sched.h: No such file or directory
       3 | #include <sched.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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