Re: [patch v2] epoll use a single inode ...

[H. Peter Anvin]

Linus Torvalds wrote:
> > However, this could be optimized.  I think right now sprintf() uses a generic
> > divide-by-base, but a divide by 8 and 16 can of course be handled with a
> > shift, and divide by 10 can be replaced with a multiplication by
> > 0x1999999999999999ULL on most architectures.
>
> Nope. You need both the result of the division *and* the remainder, and 
> you can't do that with a single multiply.

Oh, right.  *D'oh*.

	-hpa
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