Re: [PATCH v16 05/16] x86/sgx: Implement basic EPC misc cgroup functionality

[kernel test robot <lkp@intel.com>]

Hi Haitao,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 7c626ce4bae1ac14f60076d00eafe71af30450ba]

url:    https://github.com/intel-lab-lkp/linux/commits/Haitao-Huang/x86-sgx-Replace-boolean-parameters-with-enums/20240821-095959
base:   7c626ce4bae1ac14f60076d00eafe71af30450ba
patch link:    https://lore.kernel.org/r/20240821015404.6038-6-haitao.huang%40linux.intel.com
patch subject: [PATCH v16 05/16] x86/sgx: Implement basic EPC misc cgroup functionality
config: x86_64-randconfig-123-20240822 (https://download.01.org/0day-ci/archive/20240822/202408220921.dv8xRSTx-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240822/202408220921.dv8xRSTx-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408220921.dv8xRSTx-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> arch/x86/kernel/cpu/sgx/epc_cgroup.c:62:27: sparse: sparse: symbol 'sgx_cgroup_ops' was not declared. Should it be static?
   arch/x86/kernel/cpu/sgx/epc_cgroup.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/slab.h):
   include/linux/page-flags.h:235:46: sparse: sparse: self-comparison always evaluates to false
   include/linux/page-flags.h:235:46: sparse: sparse: self-comparison always evaluates to false

vim +/sgx_cgroup_ops +62 arch/x86/kernel/cpu/sgx/epc_cgroup.c

    61	
  > 62	const struct misc_res_ops sgx_cgroup_ops = {
    63		.alloc = sgx_cgroup_alloc,
    64		.free = sgx_cgroup_free,
    65	};
    66	

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