[alibaba-cloud:linux-next 8099/9999] mm/unevictable.c:495:37: warning: 'del_proc_fops' defined but not used

[alibaba-cloud:linux-next 8099/9999] mm/unevictable.c:495:37: warning: 'del_proc_fops' defined but not used

[kernel test robot]

tree:   https://github.com/alibaba/cloud-kernel.git linux-next
head:   d121e0c25d1a19485d7f293b67901462bb1a6552
commit: 59cec5300f4d8fe7498bf85ab53211b8bedf9b2c [8099/9999] alinux: mm: bring back unevictable.o in obj-y
config: i386-tinyconfig (https://download.01.org/0day-ci/archive/20230321/202303212347.c63YZJaV-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/alibaba/cloud-kernel/commit/59cec5300f4d8fe7498bf85ab53211b8bedf9b2c
        git remote add alibaba-cloud https://github.com/alibaba/cloud-kernel.git
        git fetch --no-tags alibaba-cloud linux-next
        git checkout 59cec5300f4d8fe7498bf85ab53211b8bedf9b2c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303212347.c63YZJaV-lkp@intel.com/

All warnings (new ones prefixed by >>):

   mm/unevictable.c:489:1: warning: 'static' is not at beginning of declaration [-Wold-style-declaration]
     489 | const static struct file_operations add_proc_fops = {
         | ^~~~~
   mm/unevictable.c:495:1: warning: 'static' is not at beginning of declaration [-Wold-style-declaration]
     495 | const static struct file_operations del_proc_fops = {
         | ^~~~~
>> mm/unevictable.c:495:37: warning: 'del_proc_fops' defined but not used [-Wunused-const-variable=]
     495 | const static struct file_operations del_proc_fops = {
         |                                     ^~~~~~~~~~~~~
>> mm/unevictable.c:489:37: warning: 'add_proc_fops' defined but not used [-Wunused-const-variable=]
     489 | const static struct file_operations add_proc_fops = {
         |                                     ^~~~~~~~~~~~~


vim +/del_proc_fops +495 mm/unevictable.c

7d6cb94f148e9e Xunlei Pang 2019-09-19  488  
7d6cb94f148e9e Xunlei Pang 2019-09-19 @489  const static struct file_operations add_proc_fops = {
7d6cb94f148e9e Xunlei Pang 2019-09-19  490  	.read  = proc_read_add_pid,
7d6cb94f148e9e Xunlei Pang 2019-09-19  491  	.write = proc_write_add_pid,
7d6cb94f148e9e Xunlei Pang 2019-09-19  492  	.owner = THIS_MODULE,
7d6cb94f148e9e Xunlei Pang 2019-09-19  493  };
7d6cb94f148e9e Xunlei Pang 2019-09-19  494  
7d6cb94f148e9e Xunlei Pang 2019-09-19 @495  const static struct file_operations del_proc_fops = {
7d6cb94f148e9e Xunlei Pang 2019-09-19  496  	.write = proc_write_del_pid,
7d6cb94f148e9e Xunlei Pang 2019-09-19  497  	.owner = THIS_MODULE,
7d6cb94f148e9e Xunlei Pang 2019-09-19  498  };
7d6cb94f148e9e Xunlei Pang 2019-09-19  499  

:::::: The code at line 495 was first introduced by commit
:::::: 7d6cb94f148e9e9cce24d3ce5ccb65b49974b547 alinux: mm: Pin code section of process in memory

:::::: TO: Xunlei Pang <xlpang@linux.alibaba.com>
:::::: CC: Xu Yu <xuyu@linux.alibaba.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests