[paulmck-rcu:dev.2023.08.14a 48/51] kernel/rcu/tree_stall.h:11:10: fatal error: 'linux/rcu_notifier.h' file not found

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2023.08.14a
head:   a90c4cbc91475bd5df35f712a954972fbfff40a1
commit: 815c9a53ab6b20e0dc90e733336151310a05cba2 [48/51] rcu: Add RCU CPU stall notifier
config: x86_64-randconfig-x004-20230816 (https://download.01.org/0day-ci/archive/20230816/202308161021.xxxuCjro-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230816/202308161021.xxxuCjro-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308161021.xxxuCjro-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from kernel/rcu/tree.c:5066:
>> kernel/rcu/tree_stall.h:11:10: fatal error: 'linux/rcu_notifier.h' file not found
   #include <linux/rcu_notifier.h>
            ^~~~~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +11 kernel/rcu/tree_stall.h

  > 11	#include <linux/rcu_notifier.h>
    12	

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