u64log2           183 src/journal/journald-rate-limit.c         k = u64log2(available);
u64log2            60 src/libsystemd/sd-bus/bus-bloom.c         w = (u64log2(m) + 7) / 8;
u64log2           142 src/libsystemd/sd-bus/bus-bloom.c         w = (u64log2(m) + 7) / 8;