Re: [PATCH] Fix roundup_pow_of_two(1)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 4 Jun 2007, Adrian Bunk wrote:

> > 1 is a power of two, therefore roundup_pow_of_two(1) should return 1. It does
> > in case the argument is a variable but in case it's a constant it behaves
> > wrong and returns 0. Probably nobody ever did it so this was never noticed.
> I'm not getting the problem.
> 2^0 = 1

Adrian,

that's of course true, but unrelated to the patch in question :)

You simply want roundup_pow_of_two(1) to be 1, and not 0. That's what the 
patch does, and that's correct.

-- 
Jiri Kosina
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux