tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   e45fb347b630ee76482fe938ba76cf8eab811290
commit: ba59f107773a68f69a8b0e62f02b0ce2d930526e [15177/15568] mm/memfd: add MFD_NOEXEC_SEAL and MFD_EXEC
config: i386-buildonly-randconfig-r001-20221219
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ba59f107773a68f69a8b0e62f02b0ce2d930526e
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout ba59f107773a68f69a8b0e62f02b0ce2d930526e
        # 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>

All warnings (new ones prefixed by >>):

   mm/memfd.c: In function '__do_sys_memfd_create':
>> mm/memfd.c:274:31: warning: unused variable 'ns' [-Wunused-variable]
     274 |         struct pid_namespace *ns;
         |                               ^~


vim +/ns +274 mm/memfd.c

   268	
   269	SYSCALL_DEFINE2(memfd_create,
   270			const char __user *, uname,
   271			unsigned int, flags)
   272	{
   273		char comm[TASK_COMM_LEN];
 > 274		struct pid_namespace *ns;

-- 
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https://01.org/lkp