Re: [PATCH 4/6] Implement a general log2 facility in the kernel

Geert Uytterhoeven
2006-09-13T18:47:02Z

On Wed, 13 Sep 2006, David Howells wrote:
> Russell King <rmk+lkml@arm.linux.org.uk> wrote:
>
> > Therefore, re-using "log2()" is about as bad as re-using the "strcmp()"
> > name to implement a function which copies strings.
>
> I should probably use ilog2() then which would at least be consistent with the
> powerpc arch.
>
> > t.c:2: warning: conflicting types for built-in function 'log2'

And apparently gcc < 4.0 doesn't give the warning.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds