../lib/test_blackhole_dev.c:58:27: warning: incorrect type in assignment (different base types)
../lib/test_blackhole_dev.c:58:27:    expected restricted __be16 [usertype] payload_len
../lib/test_blackhole_dev.c:58:27:    got unsigned long
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?