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Message-ID: <202206141126.wBfKM00X-lkp@intel.com>
Date: Tue, 14 Jun 2022 11:18:49 +0800
From: kernel test robot <lkp@...el.com>
To: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc: 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: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220614/202206141126.wBfKM00X-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# 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
make W=1 O=build_dir ARCH=um SUBARCH=i386 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:22:28: warning: no previous prototype for 'arch_report_meminfo' [-Wmissing-prototypes]
22 | void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
| ^~~~~~~~~~~~~~~~~~~
fs/proc/meminfo.c: In function 'meminfo_proc_show':
>> fs/proc/meminfo.c:156:5: warning: "CONFIG_UNACCEPTED_MEMORY" is not defined, evaluates to 0 [-Wundef]
156 | #if CONFIG_UNACCEPTED_MEMORY
| ^~~~~~~~~~~~~~~~~~~~~~~~
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
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