On Thu, 1 Feb 2007, David Howells wrote: > > Robert P. J. Day <[EMAIL PROTECTED]> wrote: > > > +#define is_power_of_4(x) is_power_of_2(x) && (ffs(x) & 1)) > > If this is such a commonly implemented op, it should probably be implemented > globally too.
there are only two checks of the form "is_power_of_4" in the entire tree, and they're both in the power pc stuff, so i doubt it's worth trying to formalize that in any way. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://www.fsdev.dreamhosters.com/wiki/index.php?title=Main_Page ======================================================================== - 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/
