Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../kernel/bpf/trampoline.c:183:19: warning: symbol 'direct_ops' was not declared. Should it be static? ../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 ../kernel/bpf/trampoline.c:190:19: warning: symbol 'direct_ops' was not declared. Should it be static? ../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?