linux-kernel - [intel-tdx:guest-unaccepted-memory 6/17] fs/proc/meminfo.c:156:5: warning: 'CONFIG_UNACCEPTED

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Message-ID: <202206141159.Vdw6s1IH-lkp@intel.com>
Date:   Tue, 14 Jun 2022 11:50:31 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [intel-tdx:guest-unaccepted-memory 6/17] fs/proc/meminfo.c:156:5:
 warning: 'CONFIG_UNACCEPTED_MEMORY' is not defined, evaluates to 0

tree:   https://github.com/intel/tdx.git guest-unaccepted-memory
head:   7a902d05477ac272558ba731d903c6b0c9d72903
commit: e4fbeb9c5cb4aa02fcd17388eef920f389fc83ea [6/17] mm: Report unaccepted memory in meminfo
config: x86_64-randconfig-a002-20220613 (https://download.01.org/0day-ci/archive/20220614/202206141159.Vdw6s1IH-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c97436f8b6e2718286e8496faf53a2c800e281cf)
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://github.com/intel/tdx/commit/e4fbeb9c5cb4aa02fcd17388eef920f389fc83ea
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-unaccepted-memory
        git checkout e4fbeb9c5cb4aa02fcd17388eef920f389fc83ea
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/proc/ mm/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> fs/proc/meminfo.c:156:5: warning: 'CONFIG_UNACCEPTED_MEMORY' is not defined, evaluates to 0 [-Wundef]
   #if CONFIG_UNACCEPTED_MEMORY
       ^
   1 warning generated.


vim +/CONFIG_UNACCEPTED_MEMORY +156 fs/proc/meminfo.c

   155	
 > 156	#if CONFIG_UNACCEPTED_MEMORY
   157		show_val_kb(m, "UnacceptedPages:",
   158			    global_node_page_state(NR_UNACCEPTED));
   159	#endif
   160	
   161		hugetlb_report_meminfo(m);
   162	
   163		arch_report_meminfo(m);
   164	
   165		return 0;
   166	}
   167	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp