Documentation/.renames.txt: warning: ignored by one of the .gitignore files
../fs/proc/proc_sysctl.c: In function ‘init_header’:
../fs/proc/proc_sysctl.c:209:41: warning: variable ‘entry’ set but not used [-Wunused-but-set-variable=]
  209 |                 const struct ctl_table *entry;
      |                                         ^~~~~
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
Documentation/.renames.txt: warning: ignored by one of the .gitignore files
../fs/proc/proc_sysctl.c: In function ‘init_header’:
../fs/proc/proc_sysctl.c:211:41: warning: variable ‘entry’ set but not used [-Wunused-but-set-variable=]
  211 |                 const struct ctl_table *entry;
      |                                         ^~~~~
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?