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

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Message-ID: <Pine.LNX.4.62.0609132038350.27940@pademelon.sonytel.be>
Date:	Wed, 13 Sep 2006 20:38:59 +0200 (CEST)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	David Howells <dhowells@...hat.com>
cc:	Russell King <rmk+lkml@....linux.org.uk>,
	Matthew Wilcox <matthew@....cx>, Adrian Bunk <bunk@...sta.de>,
	Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH 4/6] Implement a general log2 facility in the kernel 

On Wed, 13 Sep 2006, David Howells wrote:
> Russell King <rmk+lkml@....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@...ux-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
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