COLLISION_BITS
delta_entry->entry_bits = delta_entry->value_bits + key_bits + COLLISION_BITS;
u64 offset = get_delta_entry_offset(entry) + entry->entry_bits - COLLISION_BITS;
u64 offset = get_delta_entry_offset(entry) + entry->entry_bits - COLLISION_BITS;
delta_entry->entry_bits += COLLISION_BITS;