arch/x86/hyperv/hv_init.c:30:1: iwyu: warning: superfluous #include <linux/highmem.h>

arch/x86/hyperv/hv_init.c:30:1: iwyu: warning: superfluous #include <linux/highmem.h>

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Wei Liu <wei.liu@kernel.org>
CC: "Lillian Grassin-Drake" <ligrassi@microsoft.com>
CC: Sunil Muthuswamy <sunilmut@microsoft.com>
CC: Nuno Das Neves <nunodasneves@linux.microsoft.com>
CC: Michael Kelley <mikelley@microsoft.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   2734d6c1b1a089fb593ef6a23d4b70903526fe0c
commit: 80f73c9f7468b15484e3ee4a29870fc9fa0419cc x86/hyperv: handling hypercall page setup for root
date:   5 months ago
:::::: branch date: 23 hours ago
:::::: commit date: 5 months ago
config: x86_64-randconfig-b001-20210719 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5d5b08761f944d5b9822d582378333cc4b36a0a7)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # apt-get install iwyu # include-what-you-use
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=80f73c9f7468b15484e3ee4a29870fc9fa0419cc
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 80f73c9f7468b15484e3ee4a29870fc9fa0419cc
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross C=1 CHECK=iwyu O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/hyperv/ drivers/hid/ drivers/hv/ drivers/misc/ drivers/platform/surface/ drivers/power/supply/ kernel/kcsan/

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


iwyu warnings: (new ones prefixed by >>)
   arch/x86/hyperv/hv_init.c:15:1: iwyu: warning: superfluous #include <asm/desc.h>
   arch/x86/hyperv/hv_init.c:10:1: iwyu: warning: superfluous #include <linux/acpi.h>
>> arch/x86/hyperv/hv_init.c:30:1: iwyu: warning: superfluous #include <linux/highmem.h>
   arch/x86/hyperv/hv_init.c:24:1: iwyu: warning: superfluous #include <linux/hyperv.h>
   arch/x86/hyperv/hv_init.c:20:1: iwyu: warning: superfluous #include <linux/kexec.h>

vim +30 arch/x86/hyperv/hv_init.c

80f73c9f7468b1 Wei Liu          2021-02-03 @30  #include <linux/highmem.h>
8730046c1498e8 K. Y. Srinivasan 2017-01-18  31  

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

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