Re: [GIT PULL] kdbus for 4.1-rc1

Richard Weinberger
2015-04-23T21:33:22Z

On Thu, Apr 23, 2015 at 11:22 PM, David Herrmann <dh.herrmann@gmail.com> wrote:
> Hi
>
> On Thu, Apr 23, 2015 at 10:56 PM, Borislav Petkov <bp@alien8.de> wrote:
>> On Thu, Apr 23, 2015 at 09:14:33PM +0200, Greg Kroah-Hartman wrote:
>>> I don't know what O(256) means here, O notation usually is used to
>>> show the complexity of a function, so this really is almost always the
>>> same amount of time, based on using the hash function.
>>
>> This is iterating over 256 hash buckets. So O(n) complexity. Better?
>
> No it's not. O(256) equals O(1).

Yeah, that's absolutely correct.
I think Boris wanted to say that iterating over all hash buckets
can be costly.

--
Thanks,
//richard